Finding the Fourth Proportional to 58,200.50, 80,316.70 and 31,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,200.50 : 80,316.70 = 31,704.50 : x
2. Step 2: Convert to fraction form
   58,200.50/80,316.70 = 31,704.50/x
3. Step 3: Cross multiply
   58,200.50x = 80,316.70 × 31,704.50
4. Step 4: Simplify right side
   58,200.50x = 2,546,400,815.15
5. Step 5: Solve for x
   x = 2,546,400,815.15/58,200.50
6. Step 6: Final answer
   x = 43,752.22