Finding the Fourth Proportional to 58,789.06, 81,084.45 and 40,875.10

Step by Step Solution

1. Step 1: Write the proportion equation
   58,789.06 : 81,084.45 = 40,875.10 : x
2. Step 2: Convert to fraction form
   58,789.06/81,084.45 = 40,875.10/x
3. Step 3: Cross multiply
   58,789.06x = 81,084.45 × 40,875.10
4. Step 4: Simplify right side
   58,789.06x = 3,314,335,002.20
5. Step 5: Solve for x
   x = 3,314,335,002.20/58,789.06
6. Step 6: Final answer
   x = 56,376.73