Finding the Fourth Proportional to 56,769,164.55, 78,341,478.38 and 30,663,682.28

Step by Step Solution

1. Step 1: Write the proportion equation
   56,769,164.55 : 78,341,478.38 = 30,663,682.28 : x
2. Step 2: Convert to fraction form
   56,769,164.55/78,341,478.38 = 30,663,682.28/x
3. Step 3: Cross multiply
   56,769,164.55x = 78,341,478.38 × 30,663,682.28
4. Step 4: Simplify right side
   56,769,164.55x = 2,402,238,202,253,552.50
5. Step 5: Solve for x
   x = 2,402,238,202,253,552.50/56,769,164.55
6. Step 6: Final answer
   x = 42,315,898.45