Finding the Fourth Proportional to 119,113.57, 164,377.05 and 65,402.06

Step by Step Solution

1. Step 1: Write the proportion equation
   119,113.57 : 164,377.05 = 65,402.06 : x
2. Step 2: Convert to fraction form
   119,113.57/164,377.05 = 65,402.06/x
3. Step 3: Cross multiply
   119,113.57x = 164,377.05 × 65,402.06
4. Step 4: Simplify right side
   119,113.57x = 10,750,597,686.72
5. Step 5: Solve for x
   x = 10,750,597,686.72/119,113.57
6. Step 6: Final answer
   x = 90,255.02