Finding the Fourth Proportional to 5,698.71, 8,503.90 and 5,042.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,698.71 : 8,503.90 = 5,042.61 : x
2. Step 2: Convert to fraction form
   5,698.71/8,503.90 = 5,042.61/x
3. Step 3: Cross multiply
   5,698.71x = 8,503.90 × 5,042.61
4. Step 4: Simplify right side
   5,698.71x = 42,881,838.57
5. Step 5: Solve for x
   x = 42,881,838.57/5,698.71
6. Step 6: Final answer
   x = 7,524.83