Finding the Fourth Proportional to 120,050.92, 165,670.69 and 65,603.08

Step by Step Solution

1. Step 1: Write the proportion equation
   120,050.92 : 165,670.69 = 65,603.08 : x
2. Step 2: Convert to fraction form
   120,050.92/165,670.69 = 65,603.08/x
3. Step 3: Cross multiply
   120,050.92x = 165,670.69 × 65,603.08
4. Step 4: Simplify right side
   120,050.92x = 10,868,507,498.02
5. Step 5: Solve for x
   x = 10,868,507,498.02/120,050.92
6. Step 6: Final answer
   x = 90,532.48