Finding the Fourth Proportional to 1,610.37, 2,222.01 and 947.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.37 : 2,222.01 = 947.35 : x
2. Step 2: Convert to fraction form
   1,610.37/2,222.01 = 947.35/x
3. Step 3: Cross multiply
   1,610.37x = 2,222.01 × 947.35
4. Step 4: Simplify right side
   1,610.37x = 2,105,021.17
5. Step 5: Solve for x
   x = 2,105,021.17/1,610.37
6. Step 6: Final answer
   x = 1,307.17