Finding the Fourth Proportional to 52,402.19, 72,303.81 and 31,177.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,402.19 : 72,303.81 = 31,177.31 : x
2. Step 2: Convert to fraction form
   52,402.19/72,303.81 = 31,177.31/x
3. Step 3: Cross multiply
   52,402.19x = 72,303.81 × 31,177.31
4. Step 4: Simplify right side
   52,402.19x = 2,254,238,298.55
5. Step 5: Solve for x
   x = 2,254,238,298.55/52,402.19
6. Step 6: Final answer
   x = 43,018.02