Finding the Fourth Proportional to 69,433.20, 103,886.55 and 46,105.20

Step by Step Solution

1. Step 1: Write the proportion equation
   69,433.20 : 103,886.55 = 46,105.20 : x
2. Step 2: Convert to fraction form
   69,433.20/103,886.55 = 46,105.20/x
3. Step 3: Cross multiply
   69,433.20x = 103,886.55 × 46,105.20
4. Step 4: Simplify right side
   69,433.20x = 4,789,710,165.06
5. Step 5: Solve for x
   x = 4,789,710,165.06/69,433.20
6. Step 6: Final answer
   x = 68,983.00