Finding the Fourth Proportional to 58,432.80, 80,637.25 and 31,575.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,432.80 : 80,637.25 = 31,575.30 : x
2. Step 2: Convert to fraction form
   58,432.80/80,637.25 = 31,575.30/x
3. Step 3: Cross multiply
   58,432.80x = 80,637.25 × 31,575.30
4. Step 4: Simplify right side
   58,432.80x = 2,546,145,561.52
5. Step 5: Solve for x
   x = 2,546,145,561.52/58,432.80
6. Step 6: Final answer
   x = 43,573.91