Finding the Fourth Proportional to 58,479.98, 80,702.43 and 31,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,479.98 : 80,702.43 = 31,622.50 : x
2. Step 2: Convert to fraction form
   58,479.98/80,702.43 = 31,622.50/x
3. Step 3: Cross multiply
   58,479.98x = 80,702.43 × 31,622.50
4. Step 4: Simplify right side
   58,479.98x = 2,552,012,189.16
5. Step 5: Solve for x
   x = 2,552,012,189.16/58,479.98
6. Step 6: Final answer
   x = 43,639.07