Finding the Fourth Proportional to 52,597.12, 72,593.40 and 31,085.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,597.12 : 72,593.40 = 31,085.98 : x
2. Step 2: Convert to fraction form
   52,597.12/72,593.40 = 31,085.98/x
3. Step 3: Cross multiply
   52,597.12x = 72,593.40 × 31,085.98
4. Step 4: Simplify right side
   52,597.12x = 2,256,636,980.53
5. Step 5: Solve for x
   x = 2,256,636,980.53/52,597.12
6. Step 6: Final answer
   x = 42,904.19