Finding the Fourth Proportional to 52,655.34, 72,664.52 and 31,434.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,655.34 : 72,664.52 = 31,434.15 : x
2. Step 2: Convert to fraction form
   52,655.34/72,664.52 = 31,434.15/x
3. Step 3: Cross multiply
   52,655.34x = 72,664.52 × 31,434.15
4. Step 4: Simplify right side
   52,655.34x = 2,284,147,264.19
5. Step 5: Solve for x
   x = 2,284,147,264.19/52,655.34
6. Step 6: Final answer
   x = 43,379.21