Finding the Fourth Proportional to 11,875.60, 16,388.49 and 7,401.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,875.60 : 16,388.49 = 7,401.16 : x
2. Step 2: Convert to fraction form
   11,875.60/16,388.49 = 7,401.16/x
3. Step 3: Cross multiply
   11,875.60x = 16,388.49 × 7,401.16
4. Step 4: Simplify right side
   11,875.60x = 121,293,836.65
5. Step 5: Solve for x
   x = 121,293,836.65/11,875.60
6. Step 6: Final answer
   x = 10,213.70