Finding the Fourth Proportional to 55,185,123.56, 76,157,820.42 and 30,738,831.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,185,123.56 : 76,157,820.42 = 30,738,831.08 : x
2. Step 2: Convert to fraction form
   55,185,123.56/76,157,820.42 = 30,738,831.08/x
3. Step 3: Cross multiply
   55,185,123.56x = 76,157,820.42 × 30,738,831.08
4. Step 4: Simplify right side
   55,185,123.56x = 2,341,002,377,311,354.50
5. Step 5: Solve for x
   x = 2,341,002,377,311,354.50/55,185,123.56
6. Step 6: Final answer
   x = 42,420,895.82