Finding the Fourth Proportional to 119,217.30, 164,522.60 and 65,498.91

Step by Step Solution

1. Step 1: Write the proportion equation
   119,217.30 : 164,522.60 = 65,498.91 : x
2. Step 2: Convert to fraction form
   119,217.30/164,522.60 = 65,498.91/x
3. Step 3: Cross multiply
   119,217.30x = 164,522.60 × 65,498.91
4. Step 4: Simplify right side
   119,217.30x = 10,776,050,642.87
5. Step 5: Solve for x
   x = 10,776,050,642.87/119,217.30
6. Step 6: Final answer
   x = 90,389.99