Finding the Fourth Proportional to 2,670.69, 4,004.58 and 1,088.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.69 : 4,004.58 = 1,088.01 : x
2. Step 2: Convert to fraction form
   2,670.69/4,004.58 = 1,088.01/x
3. Step 3: Cross multiply
   2,670.69x = 4,004.58 × 1,088.01
4. Step 4: Simplify right side
   2,670.69x = 4,357,023.09
5. Step 5: Solve for x
   x = 4,357,023.09/2,670.69
6. Step 6: Final answer
   x = 1,631.42