Finding the Fourth Proportional to 58,684.72, 80,984.68 and 31,827.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,684.72 : 80,984.68 = 31,827.12 : x
2. Step 2: Convert to fraction form
   58,684.72/80,984.68 = 31,827.12/x
3. Step 3: Cross multiply
   58,684.72x = 80,984.68 × 31,827.12
4. Step 4: Simplify right side
   58,684.72x = 2,577,509,128.52
5. Step 5: Solve for x
   x = 2,577,509,128.52/58,684.72
6. Step 6: Final answer
   x = 43,921.30