Finding the Fourth Proportional to 5,082.55, 7,623.32 and 1,385.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,082.55 : 7,623.32 = 1,385.10 : x
2. Step 2: Convert to fraction form
   5,082.55/7,623.32 = 1,385.10/x
3. Step 3: Cross multiply
   5,082.55x = 7,623.32 × 1,385.10
4. Step 4: Simplify right side
   5,082.55x = 10,559,053.61
5. Step 5: Solve for x
   x = 10,559,053.61/5,082.55
6. Step 6: Final answer
   x = 2,077.51