Finding the Fourth Proportional to 69,571.92, 104,312.52 and 45,807.57

Step by Step Solution

1. Step 1: Write the proportion equation
   69,571.92 : 104,312.52 = 45,807.57 : x
2. Step 2: Convert to fraction form
   69,571.92/104,312.52 = 45,807.57/x
3. Step 3: Cross multiply
   69,571.92x = 104,312.52 × 45,807.57
4. Step 4: Simplify right side
   69,571.92x = 4,778,303,061.78
5. Step 5: Solve for x
   x = 4,778,303,061.78/69,571.92
6. Step 6: Final answer
   x = 68,681.49