Finding the Fourth Proportional to 11,587.70, 17,374.61 and 3,686.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,587.70 : 17,374.61 = 3,686.81 : x
2. Step 2: Convert to fraction form
   11,587.70/17,374.61 = 3,686.81/x
3. Step 3: Cross multiply
   11,587.70x = 17,374.61 × 3,686.81
4. Step 4: Simplify right side
   11,587.70x = 64,056,787.50
5. Step 5: Solve for x
   x = 64,056,787.50/11,587.70
6. Step 6: Final answer
   x = 5,528.00