Finding the Fourth Proportional to 52,480.72, 78,373.22 and 46,121.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,480.72 : 78,373.22 = 46,121.68 : x
2. Step 2: Convert to fraction form
   52,480.72/78,373.22 = 46,121.68/x
3. Step 3: Cross multiply
   52,480.72x = 78,373.22 × 46,121.68
4. Step 4: Simplify right side
   52,480.72x = 3,614,704,573.41
5. Step 5: Solve for x
   x = 3,614,704,573.41/52,480.72
6. Step 6: Final answer
   x = 68,876.81