Finding the Fourth Proportional to 119,492.76, 164,899.96 and 65,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,492.76 : 164,899.96 = 65,777.50 : x
2. Step 2: Convert to fraction form
   119,492.76/164,899.96 = 65,777.50/x
3. Step 3: Cross multiply
   119,492.76x = 164,899.96 × 65,777.50
4. Step 4: Simplify right side
   119,492.76x = 10,846,707,118.90
5. Step 5: Solve for x
   x = 10,846,707,118.90/119,492.76
6. Step 6: Final answer
   x = 90,772.92