Finding the Fourth Proportional to 17,858.72, 24,641.88 and 10,780.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,858.72 : 24,641.88 = 10,780.40 : x
2. Step 2: Convert to fraction form
   17,858.72/24,641.88 = 10,780.40/x
3. Step 3: Cross multiply
   17,858.72x = 24,641.88 × 10,780.40
4. Step 4: Simplify right side
   17,858.72x = 265,649,323.15
5. Step 5: Solve for x
   x = 265,649,323.15/17,858.72
6. Step 6: Final answer
   x = 14,875.05