Finding the Fourth Proportional to 119,488.52, 164,892.88 and 65,772.39

Step by Step Solution

1. Step 1: Write the proportion equation
   119,488.52 : 164,892.88 = 65,772.39 : x
2. Step 2: Convert to fraction form
   119,488.52/164,892.88 = 65,772.39/x
3. Step 3: Cross multiply
   119,488.52x = 164,892.88 × 65,772.39
4. Step 4: Simplify right side
   119,488.52x = 10,845,398,811.58
5. Step 5: Solve for x
   x = 10,845,398,811.58/119,488.52
6. Step 6: Final answer
   x = 90,765.19