Finding the Fourth Proportional to 58,212.72, 80,328.24 and 32,713.20

Step by Step Solution

1. Step 1: Write the proportion equation
   58,212.72 : 80,328.24 = 32,713.20 : x
2. Step 2: Convert to fraction form
   58,212.72/80,328.24 = 32,713.20/x
3. Step 3: Cross multiply
   58,212.72x = 80,328.24 × 32,713.20
4. Step 4: Simplify right side
   58,212.72x = 2,627,793,780.77
5. Step 5: Solve for x
   x = 2,627,793,780.77/58,212.72
6. Step 6: Final answer
   x = 45,141.23