Finding the Fourth Proportional to 1,340.50, 1,847.86 and 1,152.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.50 : 1,847.86 = 1,152.99 : x
2. Step 2: Convert to fraction form
   1,340.50/1,847.86 = 1,152.99/x
3. Step 3: Cross multiply
   1,340.50x = 1,847.86 × 1,152.99
4. Step 4: Simplify right side
   1,340.50x = 2,130,564.10
5. Step 5: Solve for x
   x = 2,130,564.10/1,340.50
6. Step 6: Final answer
   x = 1,589.38