Finding the Fourth Proportional to 47,552.28, 65,643.34 and 31,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   47,552.28 : 65,643.34 = 31,429.30 : x
2. Step 2: Convert to fraction form
   47,552.28/65,643.34 = 31,429.30/x
3. Step 3: Cross multiply
   47,552.28x = 65,643.34 × 31,429.30
4. Step 4: Simplify right side
   47,552.28x = 2,063,124,225.86
5. Step 5: Solve for x
   x = 2,063,124,225.86/47,552.28
6. Step 6: Final answer
   x = 43,386.44