Finding the Fourth Proportional to 112,581.70, 155,309.06 and 69,545.71

Step by Step Solution

1. Step 1: Write the proportion equation
   112,581.70 : 155,309.06 = 69,545.71 : x
2. Step 2: Convert to fraction form
   112,581.70/155,309.06 = 69,545.71/x
3. Step 3: Cross multiply
   112,581.70x = 155,309.06 × 69,545.71
4. Step 4: Simplify right side
   112,581.70x = 10,801,078,341.52
5. Step 5: Solve for x
   x = 10,801,078,341.52/112,581.70
6. Step 6: Final answer
   x = 95,939.91