Finding the Fourth Proportional to 112,516.59, 155,340.27 and 70,132.53

Step by Step Solution

1. Step 1: Write the proportion equation
   112,516.59 : 155,340.27 = 70,132.53 : x
2. Step 2: Convert to fraction form
   112,516.59/155,340.27 = 70,132.53/x
3. Step 3: Cross multiply
   112,516.59x = 155,340.27 × 70,132.53
4. Step 4: Simplify right side
   112,516.59x = 10,894,406,145.98
5. Step 5: Solve for x
   x = 10,894,406,145.98/112,516.59
6. Step 6: Final answer
   x = 96,824.89