Finding the Fourth Proportional to 52,616.62, 72,636.18 and 31,110.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,616.62 : 72,636.18 = 31,110.04 : x
2. Step 2: Convert to fraction form
   52,616.62/72,636.18 = 31,110.04/x
3. Step 3: Cross multiply
   52,616.62x = 72,636.18 × 31,110.04
4. Step 4: Simplify right side
   52,616.62x = 2,259,714,465.25
5. Step 5: Solve for x
   x = 2,259,714,465.25/52,616.62
6. Step 6: Final answer
   x = 42,946.78