Finding the Fourth Proportional to 2,900.79, 4,349.76 and 1,051.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.79 : 4,349.76 = 1,051.63 : x
2. Step 2: Convert to fraction form
   2,900.79/4,349.76 = 1,051.63/x
3. Step 3: Cross multiply
   2,900.79x = 4,349.76 × 1,051.63
4. Step 4: Simplify right side
   2,900.79x = 4,574,323.29
5. Step 5: Solve for x
   x = 4,574,323.29/2,900.79
6. Step 6: Final answer
   x = 1,576.92