Finding the Fourth Proportional to 99,114.15, 136,777.59 and 53,792.12

Step by Step Solution

1. Step 1: Write the proportion equation
   99,114.15 : 136,777.59 = 53,792.12 : x
2. Step 2: Convert to fraction form
   99,114.15/136,777.59 = 53,792.12/x
3. Step 3: Cross multiply
   99,114.15x = 136,777.59 × 53,792.12
4. Step 4: Simplify right side
   99,114.15x = 7,357,556,534.59
5. Step 5: Solve for x
   x = 7,357,556,534.59/99,114.15
6. Step 6: Final answer
   x = 74,233.16