Finding the Fourth Proportional to 71,057,399.96, 98,018,280.06 and 42,780,086.84

Step by Step Solution

1. Step 1: Write the proportion equation
   71,057,399.96 : 98,018,280.06 = 42,780,086.84 : x
2. Step 2: Convert to fraction form
   71,057,399.96/98,018,280.06 = 42,780,086.84/x
3. Step 3: Cross multiply
   71,057,399.96x = 98,018,280.06 × 42,780,086.84
4. Step 4: Simplify right side
   71,057,399.96x = 4,193,230,532,874,241
5. Step 5: Solve for x
   x = 4,193,230,532,874,241/71,057,399.96
6. Step 6: Final answer
   x = 59,011,876.81