Finding the Fourth Proportional to 55,499.59, 76,585.53 and 31,301.47

Step by Step Solution

1. Step 1: Write the proportion equation
   55,499.59 : 76,585.53 = 31,301.47 : x
2. Step 2: Convert to fraction form
   55,499.59/76,585.53 = 31,301.47/x
3. Step 3: Cross multiply
   55,499.59x = 76,585.53 × 31,301.47
4. Step 4: Simplify right side
   55,499.59x = 2,397,239,669.73
5. Step 5: Solve for x
   x = 2,397,239,669.73/55,499.59
6. Step 6: Final answer
   x = 43,193.83