Finding the Fourth Proportional to 52,168.32, 78,253.31 and 12,726.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,168.32 : 78,253.31 = 12,726.18 : x
2. Step 2: Convert to fraction form
   52,168.32/78,253.31 = 12,726.18/x
3. Step 3: Cross multiply
   52,168.32x = 78,253.31 × 12,726.18
4. Step 4: Simplify right side
   52,168.32x = 995,865,645.02
5. Step 5: Solve for x
   x = 995,865,645.02/52,168.32
6. Step 6: Final answer
   x = 19,089.47