Finding the Fourth Proportional to 2,950.55, 4,428.56 and 1,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,950.55 : 4,428.56 = 1,490.72 : x
2. Step 2: Convert to fraction form
   2,950.55/4,428.56 = 1,490.72/x
3. Step 3: Cross multiply
   2,950.55x = 4,428.56 × 1,490.72
4. Step 4: Simplify right side
   2,950.55x = 6,601,746.58
5. Step 5: Solve for x
   x = 6,601,746.58/2,950.55
6. Step 6: Final answer
   x = 2,237.47