Finding the Fourth Proportional to 52,401.69, 72,303.12 and 31,176.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,401.69 : 72,303.12 = 31,176.81 : x
2. Step 2: Convert to fraction form
   52,401.69/72,303.12 = 31,176.81/x
3. Step 3: Cross multiply
   52,401.69x = 72,303.12 × 31,176.81
4. Step 4: Simplify right side
   52,401.69x = 2,254,180,634.65
5. Step 5: Solve for x
   x = 2,254,180,634.65/52,401.69
6. Step 6: Final answer
   x = 43,017.33