Finding the Fourth Proportional to 1,693.02, 2,336.17 and 947.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.02 : 2,336.17 = 947.01 : x
2. Step 2: Convert to fraction form
   1,693.02/2,336.17 = 947.01/x
3. Step 3: Cross multiply
   1,693.02x = 2,336.17 × 947.01
4. Step 4: Simplify right side
   1,693.02x = 2,212,376.35
5. Step 5: Solve for x
   x = 2,212,376.35/1,693.02
6. Step 6: Final answer
   x = 1,306.76