Finding the Fourth Proportional to 2,948.00, 4,422.20 and 999.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.00 : 4,422.20 = 999.95 : x
2. Step 2: Convert to fraction form
   2,948.00/4,422.20 = 999.95/x
3. Step 3: Cross multiply
   2,948.00x = 4,422.20 × 999.95
4. Step 4: Simplify right side
   2,948.00x = 4,421,951.78
5. Step 5: Solve for x
   x = 4,421,951.78/2,948.00
6. Step 6: Final answer
   x = 1,499.99