Finding the Fourth Proportional to 56,336,128,853.78, 77,745,722,278.56 and 30,962,499,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,336,128,853.78 : 77,745,722,278.56 = 30,962,499,566.42 : x
2. Step 2: Convert to fraction form
   56,336,128,853.78/77,745,722,278.56 = 30,962,499,566.42/x
3. Step 3: Cross multiply
   56,336,128,853.78x = 77,745,722,278.56 × 30,962,499,566.42
4. Step 4: Simplify right side
   56,336,128,853.78x = 2,407,201,892,340,923,367,424
5. Step 5: Solve for x
   x = 2,407,201,892,340,923,367,424/56,336,128,853.78
6. Step 6: Final answer
   x = 42,729,274,114.46