Finding the Fourth Proportional to 146,545.39, 202,168.43 and 86,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   146,545.39 : 202,168.43 = 86,088.76 : x
2. Step 2: Convert to fraction form
   146,545.39/202,168.43 = 86,088.76/x
3. Step 3: Cross multiply
   146,545.39x = 202,168.43 × 86,088.76
4. Step 4: Simplify right side
   146,545.39x = 17,404,429,449.85
5. Step 5: Solve for x
   x = 17,404,429,449.85/146,545.39
6. Step 6: Final answer
   x = 118,764.77