Finding the Fourth Proportional to 52,526.54, 78,772.71 and 17,456.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,526.54 : 78,772.71 = 17,456.78 : x
2. Step 2: Convert to fraction form
   52,526.54/78,772.71 = 17,456.78/x
3. Step 3: Cross multiply
   52,526.54x = 78,772.71 × 17,456.78
4. Step 4: Simplify right side
   52,526.54x = 1,375,117,868.47
5. Step 5: Solve for x
   x = 1,375,117,868.47/52,526.54
6. Step 6: Final answer
   x = 26,179.49