Finding the Fourth Proportional to 17,827.63, 24,602.67 and 9,870.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,827.63 : 24,602.67 = 9,870.59 : x
2. Step 2: Convert to fraction form
   17,827.63/24,602.67 = 9,870.59/x
3. Step 3: Cross multiply
   17,827.63x = 24,602.67 × 9,870.59
4. Step 4: Simplify right side
   17,827.63x = 242,842,929.98
5. Step 5: Solve for x
   x = 242,842,929.98/17,827.63
6. Step 6: Final answer
   x = 13,621.72