Finding the Fourth Proportional to 55,543.94, 76,570.89 and 39,600.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,543.94 : 76,570.89 = 39,600.72 : x
2. Step 2: Convert to fraction form
   55,543.94/76,570.89 = 39,600.72/x
3. Step 3: Cross multiply
   55,543.94x = 76,570.89 × 39,600.72
4. Step 4: Simplify right side
   55,543.94x = 3,032,262,375.04
5. Step 5: Solve for x
   x = 3,032,262,375.04/55,543.94
6. Step 6: Final answer
   x = 54,592.14