Finding the Fourth Proportional to 117,422, 162,057.63 and 65,758.77

Step by Step Solution

1. Step 1: Write the proportion equation
   117,422 : 162,057.63 = 65,758.77 : x
2. Step 2: Convert to fraction form
   117,422/162,057.63 = 65,758.77/x
3. Step 3: Cross multiply
   117,422x = 162,057.63 × 65,758.77
4. Step 4: Simplify right side
   117,422x = 10,656,710,417.92
5. Step 5: Solve for x
   x = 10,656,710,417.92/117,422
6. Step 6: Final answer
   x = 90,755.65