Finding the Fourth Proportional to 9,948.90, 13,727.43 and 5,700.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,948.90 : 13,727.43 = 5,700.18 : x
2. Step 2: Convert to fraction form
   9,948.90/13,727.43 = 5,700.18/x
3. Step 3: Cross multiply
   9,948.90x = 13,727.43 × 5,700.18
4. Step 4: Simplify right side
   9,948.90x = 78,248,821.94
5. Step 5: Solve for x
   x = 78,248,821.94/9,948.90
6. Step 6: Final answer
   x = 7,865.07