Finding the Fourth Proportional to 7,388.98, 10,200.56 and 5,706.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,388.98 : 10,200.56 = 5,706.61 : x
2. Step 2: Convert to fraction form
   7,388.98/10,200.56 = 5,706.61/x
3. Step 3: Cross multiply
   7,388.98x = 10,200.56 × 5,706.61
4. Step 4: Simplify right side
   7,388.98x = 58,210,617.70
5. Step 5: Solve for x
   x = 58,210,617.70/7,388.98
6. Step 6: Final answer
   x = 7,878.03