Finding the Fourth Proportional to 2,113.47, 2,916.36 and 1,588.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.47 : 2,916.36 = 1,588.59 : x
2. Step 2: Convert to fraction form
   2,113.47/2,916.36 = 1,588.59/x
3. Step 3: Cross multiply
   2,113.47x = 2,916.36 × 1,588.59
4. Step 4: Simplify right side
   2,113.47x = 4,632,900.33
5. Step 5: Solve for x
   x = 4,632,900.33/2,113.47
6. Step 6: Final answer
   x = 2,192.08