Finding the Fourth Proportional to 52,373.74, 78,561.45 and 49,715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,373.74 : 78,561.45 = 49,715.32 : x
2. Step 2: Convert to fraction form
   52,373.74/78,561.45 = 49,715.32/x
3. Step 3: Cross multiply
   52,373.74x = 78,561.45 × 49,715.32
4. Step 4: Simplify right side
   52,373.74x = 3,905,707,626.41
5. Step 5: Solve for x
   x = 3,905,707,626.41/52,373.74
6. Step 6: Final answer
   x = 74,573.78