Finding the Fourth Proportional to 17,827.48, 24,603.31 and 9,870.45

Step by Step Solution

1. Step 1: Write the proportion equation
   17,827.48 : 24,603.31 = 9,870.45 : x
2. Step 2: Convert to fraction form
   17,827.48/24,603.31 = 9,870.45/x
3. Step 3: Cross multiply
   17,827.48x = 24,603.31 × 9,870.45
4. Step 4: Simplify right side
   17,827.48x = 242,845,741.19
5. Step 5: Solve for x
   x = 242,845,741.19/17,827.48
6. Step 6: Final answer
   x = 13,621.99