Finding the Fourth Proportional to 55,417.04, 76,479.42 and 31,543.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,417.04 : 76,479.42 = 31,543.72 : x
2. Step 2: Convert to fraction form
   55,417.04/76,479.42 = 31,543.72/x
3. Step 3: Cross multiply
   55,417.04x = 76,479.42 × 31,543.72
4. Step 4: Simplify right side
   55,417.04x = 2,412,445,410.24
5. Step 5: Solve for x
   x = 2,412,445,410.24/55,417.04
6. Step 6: Final answer
   x = 43,532.56