Finding the Fourth Proportional to 1,693.85, 2,337.52 and 947.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.85 : 2,337.52 = 947.81 : x
2. Step 2: Convert to fraction form
   1,693.85/2,337.52 = 947.81/x
3. Step 3: Cross multiply
   1,693.85x = 2,337.52 × 947.81
4. Step 4: Simplify right side
   1,693.85x = 2,215,524.83
5. Step 5: Solve for x
   x = 2,215,524.83/1,693.85
6. Step 6: Final answer
   x = 1,307.98