Finding the Fourth Proportional to 99,124.70, 136,792.22 and 53,802.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,124.70 : 136,792.22 = 53,802.69 : x
2. Step 2: Convert to fraction form
   99,124.70/136,792.22 = 53,802.69/x
3. Step 3: Cross multiply
   99,124.70x = 136,792.22 × 53,802.69
4. Step 4: Simplify right side
   99,124.70x = 7,359,789,532.39
5. Step 5: Solve for x
   x = 7,359,789,532.39/99,124.70
6. Step 6: Final answer
   x = 74,247.79