Finding the Fourth Proportional to 1,693.95, 2,337.59 and 947.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.95 : 2,337.59 = 947.97 : x
2. Step 2: Convert to fraction form
   1,693.95/2,337.59 = 947.97/x
3. Step 3: Cross multiply
   1,693.95x = 2,337.59 × 947.97
4. Step 4: Simplify right side
   1,693.95x = 2,215,953.50
5. Step 5: Solve for x
   x = 2,215,953.50/1,693.95
6. Step 6: Final answer
   x = 1,308.16