Finding the Fourth Proportional to 1,610.01, 2,222.25 and 947.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.01 : 2,222.25 = 947.08 : x
2. Step 2: Convert to fraction form
   1,610.01/2,222.25 = 947.08/x
3. Step 3: Cross multiply
   1,610.01x = 2,222.25 × 947.08
4. Step 4: Simplify right side
   1,610.01x = 2,104,648.53
5. Step 5: Solve for x
   x = 2,104,648.53/1,610.01
6. Step 6: Final answer
   x = 1,307.23