Finding the Fourth Proportional to 2,359.73, 3,534.74 and 1,385.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.73 : 3,534.74 = 1,385.30 : x
2. Step 2: Convert to fraction form
   2,359.73/3,534.74 = 1,385.30/x
3. Step 3: Cross multiply
   2,359.73x = 3,534.74 × 1,385.30
4. Step 4: Simplify right side
   2,359.73x = 4,896,682.43
5. Step 5: Solve for x
   x = 4,896,682.43/2,359.73
6. Step 6: Final answer
   x = 2,075.10