Finding the Fourth Proportional to 73,200.24, 109,778.40 and 31,079.52

Step by Step Solution

1. Step 1: Write the proportion equation
   73,200.24 : 109,778.40 = 31,079.52 : x
2. Step 2: Convert to fraction form
   73,200.24/109,778.40 = 31,079.52/x
3. Step 3: Cross multiply
   73,200.24x = 109,778.40 × 31,079.52
4. Step 4: Simplify right side
   73,200.24x = 3,411,859,978.37
5. Step 5: Solve for x
   x = 3,411,859,978.37/73,200.24
6. Step 6: Final answer
   x = 46,609.96