Finding the Fourth Proportional to 942.72, 1,300.50 and 693.65

Step by Step Solution

1. Step 1: Write the proportion equation
   942.72 : 1,300.50 = 693.65 : x
2. Step 2: Convert to fraction form
   942.72/1,300.50 = 693.65/x
3. Step 3: Cross multiply
   942.72x = 1,300.50 × 693.65
4. Step 4: Simplify right side
   942.72x = 902,085.32
5. Step 5: Solve for x
   x = 902,085.32/942.72
6. Step 6: Final answer
   x = 956.90