Finding the Fourth Proportional to 7,385.34, 10,196.58 and 5,703.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,385.34 : 10,196.58 = 5,703.78 : x
2. Step 2: Convert to fraction form
   7,385.34/10,196.58 = 5,703.78/x
3. Step 3: Cross multiply
   7,385.34x = 10,196.58 × 5,703.78
4. Step 4: Simplify right side
   7,385.34x = 58,159,049.07
5. Step 5: Solve for x
   x = 58,159,049.07/7,385.34
6. Step 6: Final answer
   x = 7,874.93