Finding the Fourth Proportional to 50,521,837.78, 69,656,936.04 and 42,161,274.39

Step by Step Solution

1. Step 1: Write the proportion equation
   50,521,837.78 : 69,656,936.04 = 42,161,274.39 : x
2. Step 2: Convert to fraction form
   50,521,837.78/69,656,936.04 = 42,161,274.39/x
3. Step 3: Cross multiply
   50,521,837.78x = 69,656,936.04 × 42,161,274.39
4. Step 4: Simplify right side
   50,521,837.78x = 2,936,825,193,810,333.50
5. Step 5: Solve for x
   x = 2,936,825,193,810,333.50/50,521,837.78
6. Step 6: Final answer
   x = 58,129,817.18