Finding the Fourth Proportional to 11,407.51, 17,111.87 and 3,616.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,407.51 : 17,111.87 = 3,616.93 : x
2. Step 2: Convert to fraction form
   11,407.51/17,111.87 = 3,616.93/x
3. Step 3: Cross multiply
   11,407.51x = 17,111.87 × 3,616.93
4. Step 4: Simplify right side
   11,407.51x = 61,892,332.32
5. Step 5: Solve for x
   x = 61,892,332.32/11,407.51
6. Step 6: Final answer
   x = 5,425.58