Finding the Fourth Proportional to 98,759,819.98, 136,335,811 and 65,774,961.10

Step by Step Solution

1. Step 1: Write the proportion equation
   98,759,819.98 : 136,335,811 = 65,774,961.10 : x
2. Step 2: Convert to fraction form
   98,759,819.98/136,335,811 = 65,774,961.10/x
3. Step 3: Cross multiply
   98,759,819.98x = 136,335,811 × 65,774,961.10
4. Step 4: Simplify right side
   98,759,819.98x = 8,967,482,665,061,952
5. Step 5: Solve for x
   x = 8,967,482,665,061,952/98,759,819.98
6. Step 6: Final answer
   x = 90,800,921.54