Finding the Fourth Proportional to 119,640.43, 165,111.13 and 65,925.46

Step by Step Solution

1. Step 1: Write the proportion equation
   119,640.43 : 165,111.13 = 65,925.46 : x
2. Step 2: Convert to fraction form
   119,640.43/165,111.13 = 65,925.46/x
3. Step 3: Cross multiply
   119,640.43x = 165,111.13 × 65,925.46
4. Step 4: Simplify right side
   119,640.43x = 10,885,027,196.37
5. Step 5: Solve for x
   x = 10,885,027,196.37/119,640.43
6. Step 6: Final answer
   x = 90,981.18