Finding the Fourth Proportional to 11,010.74, 15,188.72 and 7,467.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,010.74 : 15,188.72 = 7,467.80 : x
2. Step 2: Convert to fraction form
   11,010.74/15,188.72 = 7,467.80/x
3. Step 3: Cross multiply
   11,010.74x = 15,188.72 × 7,467.80
4. Step 4: Simplify right side
   11,010.74x = 113,426,209.93
5. Step 5: Solve for x
   x = 113,426,209.93/11,010.74
6. Step 6: Final answer
   x = 10,301.42