Finding the Fourth Proportional to 7,493.78, 10,350.62 and 5,613.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,493.78 : 10,350.62 = 5,613.77 : x
2. Step 2: Convert to fraction form
   7,493.78/10,350.62 = 5,613.77/x
3. Step 3: Cross multiply
   7,493.78x = 10,350.62 × 5,613.77
4. Step 4: Simplify right side
   7,493.78x = 58,106,018.90
5. Step 5: Solve for x
   x = 58,106,018.90/7,493.78
6. Step 6: Final answer
   x = 7,753.90