Finding the Fourth Proportional to 98,611,700.82, 136,088,152.88 and 54,557,982.17

Step by Step Solution

1. Step 1: Write the proportion equation
   98,611,700.82 : 136,088,152.88 = 54,557,982.17 : x
2. Step 2: Convert to fraction form
   98,611,700.82/136,088,152.88 = 54,557,982.17/x
3. Step 3: Cross multiply
   98,611,700.82x = 136,088,152.88 × 54,557,982.17
4. Step 4: Simplify right side
   98,611,700.82x = 7,424,695,018,442,705
5. Step 5: Solve for x
   x = 7,424,695,018,442,705/98,611,700.82
6. Step 6: Final answer
   x = 75,292,231.62