Finding the Fourth Proportional to 970.86, 1,337.52 and 675.61

Step by Step Solution

1. Step 1: Write the proportion equation
   970.86 : 1,337.52 = 675.61 : x
2. Step 2: Convert to fraction form
   970.86/1,337.52 = 675.61/x
3. Step 3: Cross multiply
   970.86x = 1,337.52 × 675.61
4. Step 4: Simplify right side
   970.86x = 903,641.89
5. Step 5: Solve for x
   x = 903,641.89/970.86
6. Step 6: Final answer
   x = 930.76