Finding the Fourth Proportional to 58,732.86, 81,051.18 and 31,875.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,732.86 : 81,051.18 = 31,875.12 : x
2. Step 2: Convert to fraction form
   58,732.86/81,051.18 = 31,875.12/x
3. Step 3: Cross multiply
   58,732.86x = 81,051.18 × 31,875.12
4. Step 4: Simplify right side
   58,732.86x = 2,583,516,088.64
5. Step 5: Solve for x
   x = 2,583,516,088.64/58,732.86
6. Step 6: Final answer
   x = 43,987.58