Finding the Fourth Proportional to 11,064.47, 15,279.77 and 9,461.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,064.47 : 15,279.77 = 9,461.82 : x
2. Step 2: Convert to fraction form
   11,064.47/15,279.77 = 9,461.82/x
3. Step 3: Cross multiply
   11,064.47x = 15,279.77 × 9,461.82
4. Step 4: Simplify right side
   11,064.47x = 144,574,386.07
5. Step 5: Solve for x
   x = 144,574,386.07/11,064.47
6. Step 6: Final answer
   x = 13,066.55