Finding the Fourth Proportional to 52,308.64, 78,747.58 and 47,658.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,308.64 : 78,747.58 = 47,658.52 : x
2. Step 2: Convert to fraction form
   52,308.64/78,747.58 = 47,658.52/x
3. Step 3: Cross multiply
   52,308.64x = 78,747.58 × 47,658.52
4. Step 4: Simplify right side
   52,308.64x = 3,752,993,116.38
5. Step 5: Solve for x
   x = 3,752,993,116.38/52,308.64
6. Step 6: Final answer
   x = 71,747.10