Finding the Fourth Proportional to 1,693.74, 2,337.26 and 947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.74 : 2,337.26 = 947.53 : x
2. Step 2: Convert to fraction form
   1,693.74/2,337.26 = 947.53/x
3. Step 3: Cross multiply
   1,693.74x = 2,337.26 × 947.53
4. Step 4: Simplify right side
   1,693.74x = 2,214,622.15
5. Step 5: Solve for x
   x = 2,214,622.15/1,693.74
6. Step 6: Final answer
   x = 1,307.53