Finding the Fourth Proportional to 2,947.79, 4,421.57 and 1,000.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947.79 : 4,421.57 = 1,000.00 : x
2. Step 2: Convert to fraction form
   2,947.79/4,421.57 = 1,000.00/x
3. Step 3: Cross multiply
   2,947.79x = 4,421.57 × 1,000.00
4. Step 4: Simplify right side
   2,947.79x = 4,421,547.89
5. Step 5: Solve for x
   x = 4,421,547.89/2,947.79
6. Step 6: Final answer
   x = 1,499.95