Finding the Fourth Proportional to 52,653.34, 72,661.76 and 31,432.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,653.34 : 72,661.76 = 31,432.15 : x
2. Step 2: Convert to fraction form
   52,653.34/72,661.76 = 31,432.15/x
3. Step 3: Cross multiply
   52,653.34x = 72,661.76 × 31,432.15
4. Step 4: Simplify right side
   52,653.34x = 2,283,915,339.58
5. Step 5: Solve for x
   x = 2,283,915,339.58/52,653.34
6. Step 6: Final answer
   x = 43,376.46