Finding the Fourth Proportional to 114,543.50, 171,818.49 and 31,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,543.50 : 171,818.49 = 31,437.50 : x
2. Step 2: Convert to fraction form
   114,543.50/171,818.49 = 31,437.50/x
3. Step 3: Cross multiply
   114,543.50x = 171,818.49 × 31,437.50
4. Step 4: Simplify right side
   114,543.50x = 5,401,543,779.38
5. Step 5: Solve for x
   x = 5,401,543,779.38/114,543.50
6. Step 6: Final answer
   x = 47,157.14