Finding the Fourth Proportional to 52,356.42, 72,246.47 and 31,131.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,356.42 : 72,246.47 = 31,131.59 : x
2. Step 2: Convert to fraction form
   52,356.42/72,246.47 = 31,131.59/x
3. Step 3: Cross multiply
   52,356.42x = 72,246.47 × 31,131.59
4. Step 4: Simplify right side
   52,356.42x = 2,249,146,966.10
5. Step 5: Solve for x
   x = 2,249,146,966.10/52,356.42
6. Step 6: Final answer
   x = 42,958.38