Finding the Fourth Proportional to 91,350.96, 137,070.72 and 79,527.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,350.96 : 137,070.72 = 79,527.12 : x
2. Step 2: Convert to fraction form
   91,350.96/137,070.72 = 79,527.12/x
3. Step 3: Cross multiply
   91,350.96x = 137,070.72 × 79,527.12
4. Step 4: Simplify right side
   91,350.96x = 10,900,839,597.93
5. Step 5: Solve for x
   x = 10,900,839,597.93/91,350.96
6. Step 6: Final answer
   x = 119,329.23