Finding the Fourth Proportional to 52,482.72, 78,376.20 and 46,123.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,482.72 : 78,376.20 = 46,123.68 : x
2. Step 2: Convert to fraction form
   52,482.72/78,376.20 = 46,123.68/x
3. Step 3: Cross multiply
   52,482.72x = 78,376.20 × 46,123.68
4. Step 4: Simplify right side
   52,482.72x = 3,614,998,768.42
5. Step 5: Solve for x
   x = 3,614,998,768.42/52,482.72
6. Step 6: Final answer
   x = 68,879.79