Finding the Fourth Proportional to 2,042.61, 2,819.30 and 1,158.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.61 : 2,819.30 = 1,158.93 : x
2. Step 2: Convert to fraction form
   2,042.61/2,819.30 = 1,158.93/x
3. Step 3: Cross multiply
   2,042.61x = 2,819.30 × 1,158.93
4. Step 4: Simplify right side
   2,042.61x = 3,267,374.25
5. Step 5: Solve for x
   x = 3,267,374.25/2,042.61
6. Step 6: Final answer
   x = 1,599.61