Finding the Fourth Proportional to 77,123,393.54, 106,432,241.56 and 42,316,074.76

Step by Step Solution

1. Step 1: Write the proportion equation
   77,123,393.54 : 106,432,241.56 = 42,316,074.76 : x
2. Step 2: Convert to fraction form
   77,123,393.54/106,432,241.56 = 42,316,074.76/x
3. Step 3: Cross multiply
   77,123,393.54x = 106,432,241.56 × 42,316,074.76
4. Step 4: Simplify right side
   77,123,393.54x = 4,503,794,690,727,339
5. Step 5: Solve for x
   x = 4,503,794,690,727,339/77,123,393.54
6. Step 6: Final answer
   x = 58,397,257.75