Finding the Fourth Proportional to 57,185.47, 78,943.83 and 38,076.55

Step by Step Solution

1. Step 1: Write the proportion equation
   57,185.47 : 78,943.83 = 38,076.55 : x
2. Step 2: Convert to fraction form
   57,185.47/78,943.83 = 38,076.55/x
3. Step 3: Cross multiply
   57,185.47x = 78,943.83 × 38,076.55
4. Step 4: Simplify right side
   57,185.47x = 3,005,908,690.19
5. Step 5: Solve for x
   x = 3,005,908,690.19/57,185.47
6. Step 6: Final answer
   x = 52,564.20