Finding the Fourth Proportional to 99,104.82, 136,731.15 and 56,633.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,104.82 : 136,731.15 = 56,633.10 : x
2. Step 2: Convert to fraction form
   99,104.82/136,731.15 = 56,633.10/x
3. Step 3: Cross multiply
   99,104.82x = 136,731.15 × 56,633.10
4. Step 4: Simplify right side
   99,104.82x = 7,743,508,891.07
5. Step 5: Solve for x
   x = 7,743,508,891.07/99,104.82
6. Step 6: Final answer
   x = 78,134.53