Finding the Fourth Proportional to 9,042.30, 13,558.59 and 2,799.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042.30 : 13,558.59 = 2,799.63 : x
2. Step 2: Convert to fraction form
   9,042.30/13,558.59 = 2,799.63/x
3. Step 3: Cross multiply
   9,042.30x = 13,558.59 × 2,799.63
4. Step 4: Simplify right side
   9,042.30x = 37,959,035.32
5. Step 5: Solve for x
   x = 37,959,035.32/9,042.30
6. Step 6: Final answer
   x = 4,197.94