Finding the Fourth Proportional to 1,046.61, 1,444.32 and 574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.61 : 1,444.32 = 574.50 : x
2. Step 2: Convert to fraction form
   1,046.61/1,444.32 = 574.50/x
3. Step 3: Cross multiply
   1,046.61x = 1,444.32 × 574.50
4. Step 4: Simplify right side
   1,046.61x = 829,761.84
5. Step 5: Solve for x
   x = 829,761.84/1,046.61
6. Step 6: Final answer
   x = 792.81