Finding the Fourth Proportional to 112,838.32, 155,711.43 and 67,541.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,838.32 : 155,711.43 = 67,541.30 : x
2. Step 2: Convert to fraction form
   112,838.32/155,711.43 = 67,541.30/x
3. Step 3: Cross multiply
   112,838.32x = 155,711.43 × 67,541.30
4. Step 4: Simplify right side
   112,838.32x = 10,516,952,407.06
5. Step 5: Solve for x
   x = 10,516,952,407.06/112,838.32
6. Step 6: Final answer
   x = 93,203.73