Finding the Fourth Proportional to 119,312.32, 164,647.52 and 65,597.28

Step by Step Solution

1. Step 1: Write the proportion equation
   119,312.32 : 164,647.52 = 65,597.28 : x
2. Step 2: Convert to fraction form
   119,312.32/164,647.52 = 65,597.28/x
3. Step 3: Cross multiply
   119,312.32x = 164,647.52 × 65,597.28
4. Step 4: Simplify right side
   119,312.32x = 10,800,429,470.75
5. Step 5: Solve for x
   x = 10,800,429,470.75/119,312.32
6. Step 6: Final answer
   x = 90,522.33