Finding the Fourth Proportional to 1,864.67, 2,573.69 and 1,156.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.67 : 2,573.69 = 1,156.08 : x
2. Step 2: Convert to fraction form
   1,864.67/2,573.69 = 1,156.08/x
3. Step 3: Cross multiply
   1,864.67x = 2,573.69 × 1,156.08
4. Step 4: Simplify right side
   1,864.67x = 2,975,385.75
5. Step 5: Solve for x
   x = 2,975,385.75/1,864.67
6. Step 6: Final answer
   x = 1,595.67