Finding the Fourth Proportional to 17,827.91, 24,602.70 and 9,870.26

Step by Step Solution

1. Step 1: Write the proportion equation
   17,827.91 : 24,602.70 = 9,870.26 : x
2. Step 2: Convert to fraction form
   17,827.91/24,602.70 = 9,870.26/x
3. Step 3: Cross multiply
   17,827.91x = 24,602.70 × 9,870.26
4. Step 4: Simplify right side
   17,827.91x = 242,834,922.69
5. Step 5: Solve for x
   x = 242,834,922.69/17,827.91
6. Step 6: Final answer
   x = 13,621.06