Finding the Fourth Proportional to 1,598.30, 2,395.34 and 623.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.30 : 2,395.34 = 623.88 : x
2. Step 2: Convert to fraction form
   1,598.30/2,395.34 = 623.88/x
3. Step 3: Cross multiply
   1,598.30x = 2,395.34 × 623.88
4. Step 4: Simplify right side
   1,598.30x = 1,494,404.72
5. Step 5: Solve for x
   x = 1,494,404.72/1,598.30
6. Step 6: Final answer
   x = 935.00