Finding the Fourth Proportional to 9,870.24, 14,809.52 and 5,252

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.24 : 14,809.52 = 5,252 : x
2. Step 2: Convert to fraction form
   9,870.24/14,809.52 = 5,252/x
3. Step 3: Cross multiply
   9,870.24x = 14,809.52 × 5,252
4. Step 4: Simplify right side
   9,870.24x = 77,779,599.04
5. Step 5: Solve for x
   x = 77,779,599.04/9,870.24
6. Step 6: Final answer
   x = 7,880.21