Finding the Fourth Proportional to 2,988.48, 4,484.52 and 1,042.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,988.48 : 4,484.52 = 1,042.05 : x
2. Step 2: Convert to fraction form
   2,988.48/4,484.52 = 1,042.05/x
3. Step 3: Cross multiply
   2,988.48x = 4,484.52 × 1,042.05
4. Step 4: Simplify right side
   2,988.48x = 4,673,094.07
5. Step 5: Solve for x
   x = 4,673,094.07/2,988.48
6. Step 6: Final answer
   x = 1,563.70