Finding the Fourth Proportional to 11,658.51, 17,488.71 and 3,652.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,658.51 : 17,488.71 = 3,652.74 : x
2. Step 2: Convert to fraction form
   11,658.51/17,488.71 = 3,652.74/x
3. Step 3: Cross multiply
   11,658.51x = 17,488.71 × 3,652.74
4. Step 4: Simplify right side
   11,658.51x = 63,881,710.57
5. Step 5: Solve for x
   x = 63,881,710.57/11,658.51
6. Step 6: Final answer
   x = 5,479.41