Finding the Fourth Proportional to 1,154.98, 1,731.12 and 607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.98 : 1,731.12 = 607.42 : x
2. Step 2: Convert to fraction form
   1,154.98/1,731.12 = 607.42/x
3. Step 3: Cross multiply
   1,154.98x = 1,731.12 × 607.42
4. Step 4: Simplify right side
   1,154.98x = 1,051,516.91
5. Step 5: Solve for x
   x = 1,051,516.91/1,154.98
6. Step 6: Final answer
   x = 910.42