Finding the Fourth Proportional to 99,046.50, 136,684.41 and 56,604.93

Step by Step Solution

1. Step 1: Write the proportion equation
   99,046.50 : 136,684.41 = 56,604.93 : x
2. Step 2: Convert to fraction form
   99,046.50/136,684.41 = 56,604.93/x
3. Step 3: Cross multiply
   99,046.50x = 136,684.41 × 56,604.93
4. Step 4: Simplify right side
   99,046.50x = 7,737,011,460.14
5. Step 5: Solve for x
   x = 7,737,011,460.14/99,046.50
6. Step 6: Final answer
   x = 78,114.94