Finding the Fourth Proportional to 9,423.18, 14,122.56 and 3,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.18 : 14,122.56 = 3,870.24 : x
2. Step 2: Convert to fraction form
   9,423.18/14,122.56 = 3,870.24/x
3. Step 3: Cross multiply
   9,423.18x = 14,122.56 × 3,870.24
4. Step 4: Simplify right side
   9,423.18x = 54,657,696.61
5. Step 5: Solve for x
   x = 54,657,696.61/9,423.18
6. Step 6: Final answer
   x = 5,800.35