Finding the Fourth Proportional to 12,370.56, 17,061.42 and 10,875.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,370.56 : 17,061.42 = 10,875.28 : x
2. Step 2: Convert to fraction form
   12,370.56/17,061.42 = 10,875.28/x
3. Step 3: Cross multiply
   12,370.56x = 17,061.42 × 10,875.28
4. Step 4: Simplify right side
   12,370.56x = 185,547,719.70
5. Step 5: Solve for x
   x = 185,547,719.70/12,370.56
6. Step 6: Final answer
   x = 14,999.14