Finding the Fourth Proportional to 52,262.65, 72,128.69 and 31,041.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,262.65 : 72,128.69 = 31,041.96 : x
2. Step 2: Convert to fraction form
   52,262.65/72,128.69 = 31,041.96/x
3. Step 3: Cross multiply
   52,262.65x = 72,128.69 × 31,041.96
4. Step 4: Simplify right side
   52,262.65x = 2,239,015,909.83
5. Step 5: Solve for x
   x = 2,239,015,909.83/52,262.65
6. Step 6: Final answer
   x = 42,841.61