Finding the Fourth Proportional to 58,894.38, 81,300.78 and 38,761.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,894.38 : 81,300.78 = 38,761.83 : x
2. Step 2: Convert to fraction form
   58,894.38/81,300.78 = 38,761.83/x
3. Step 3: Cross multiply
   58,894.38x = 81,300.78 × 38,761.83
4. Step 4: Simplify right side
   58,894.38x = 3,151,367,013.23
5. Step 5: Solve for x
   x = 3,151,367,013.23/58,894.38
6. Step 6: Final answer
   x = 53,508.79