Finding the Fourth Proportional to 46,485.50, 69,981.20 and 42,352.08

Step by Step Solution

1. Step 1: Write the proportion equation
   46,485.50 : 69,981.20 = 42,352.08 : x
2. Step 2: Convert to fraction form
   46,485.50/69,981.20 = 42,352.08/x
3. Step 3: Cross multiply
   46,485.50x = 69,981.20 × 42,352.08
4. Step 4: Simplify right side
   46,485.50x = 2,963,849,380.90
5. Step 5: Solve for x
   x = 2,963,849,380.90/46,485.50
6. Step 6: Final answer
   x = 63,758.58