Finding the Fourth Proportional to 52,061.37, 78,123.15 and 47,826.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,061.37 : 78,123.15 = 47,826.42 : x
2. Step 2: Convert to fraction form
   52,061.37/78,123.15 = 47,826.42/x
3. Step 3: Cross multiply
   52,061.37x = 78,123.15 × 47,826.42
4. Step 4: Simplify right side
   52,061.37x = 3,736,350,583.62
5. Step 5: Solve for x
   x = 3,736,350,583.62/52,061.37
6. Step 6: Final answer
   x = 71,768.20