Finding the Fourth Proportional to 2,947.55, 4,422.23 and 1,001.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947.55 : 4,422.23 = 1,001.12 : x
2. Step 2: Convert to fraction form
   2,947.55/4,422.23 = 1,001.12/x
3. Step 3: Cross multiply
   2,947.55x = 4,422.23 × 1,001.12
4. Step 4: Simplify right side
   2,947.55x = 4,427,177.89
5. Step 5: Solve for x
   x = 4,427,177.89/2,947.55
6. Step 6: Final answer
   x = 1,501.99