Finding the Fourth Proportional to 119,640.45, 165,111.18 and 65,925.46

Step by Step Solution

1. Step 1: Write the proportion equation
   119,640.45 : 165,111.18 = 65,925.46 : x
2. Step 2: Convert to fraction form
   119,640.45/165,111.18 = 65,925.46/x
3. Step 3: Cross multiply
   119,640.45x = 165,111.18 × 65,925.46
4. Step 4: Simplify right side
   119,640.45x = 10,885,030,492.64
5. Step 5: Solve for x
   x = 10,885,030,492.64/119,640.45
6. Step 6: Final answer
   x = 90,981.19