Finding the Fourth Proportional to 55,411.61, 76,449.04 and 31,532.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,411.61 : 76,449.04 = 31,532.30 : x
2. Step 2: Convert to fraction form
   55,411.61/76,449.04 = 31,532.30/x
3. Step 3: Cross multiply
   55,411.61x = 76,449.04 × 31,532.30
4. Step 4: Simplify right side
   55,411.61x = 2,410,613,602.92
5. Step 5: Solve for x
   x = 2,410,613,602.92/55,411.61
6. Step 6: Final answer
   x = 43,503.77