Finding the Fourth Proportional to 58,788.32, 81,140.67 and 36,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,788.32 : 81,140.67 = 36,146.72 : x
2. Step 2: Convert to fraction form
   58,788.32/81,140.67 = 36,146.72/x
3. Step 3: Cross multiply
   58,788.32x = 81,140.67 × 36,146.72
4. Step 4: Simplify right side
   58,788.32x = 2,932,969,079.10
5. Step 5: Solve for x
   x = 2,932,969,079.10/58,788.32
6. Step 6: Final answer
   x = 49,890.34