Finding the Fourth Proportional to 72,372.52, 108,725.10 and 51,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,372.52 : 108,725.10 = 51,364.72 : x
2. Step 2: Convert to fraction form
   72,372.52/108,725.10 = 51,364.72/x
3. Step 3: Cross multiply
   72,372.52x = 108,725.10 × 51,364.72
4. Step 4: Simplify right side
   72,372.52x = 5,584,634,318.47
5. Step 5: Solve for x
   x = 5,584,634,318.47/72,372.52
6. Step 6: Final answer
   x = 77,165.12