Finding the Fourth Proportional to 1,037.73, 1,430.89 and 706.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,037.73 : 1,430.89 = 706.35 : x
2. Step 2: Convert to fraction form
   1,037.73/1,430.89 = 706.35/x
3. Step 3: Cross multiply
   1,037.73x = 1,430.89 × 706.35
4. Step 4: Simplify right side
   1,037.73x = 1,010,709.15
5. Step 5: Solve for x
   x = 1,010,709.15/1,037.73
6. Step 6: Final answer
   x = 973.96