Finding the Fourth Proportional to 52,611.10, 78,920.76 and 17,550.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,611.10 : 78,920.76 = 17,550.72 : x
2. Step 2: Convert to fraction form
   52,611.10/78,920.76 = 17,550.72/x
3. Step 3: Cross multiply
   52,611.10x = 78,920.76 × 17,550.72
4. Step 4: Simplify right side
   52,611.10x = 1,385,116,160.95
5. Step 5: Solve for x
   x = 1,385,116,160.95/52,611.10
6. Step 6: Final answer
   x = 26,327.45