Finding the Fourth Proportional to 107,818,260.72, 148,861,019.98 and 63,779,407.16

Step by Step Solution

1. Step 1: Write the proportion equation
   107,818,260.72 : 148,861,019.98 = 63,779,407.16 : x
2. Step 2: Convert to fraction form
   107,818,260.72/148,861,019.98 = 63,779,407.16/x
3. Step 3: Cross multiply
   107,818,260.72x = 148,861,019.98 × 63,779,407.16
4. Step 4: Simplify right side
   107,818,260.72x = 9,494,267,603,557,314
5. Step 5: Solve for x
   x = 9,494,267,603,557,314/107,818,260.72
6. Step 6: Final answer
   x = 88,058,066.79