Finding the Fourth Proportional to 2,602.72, 3,588.60 and 1,973.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.72 : 3,588.60 = 1,973.08 : x
2. Step 2: Convert to fraction form
   2,602.72/3,588.60 = 1,973.08/x
3. Step 3: Cross multiply
   2,602.72x = 3,588.60 × 1,973.08
4. Step 4: Simplify right side
   2,602.72x = 7,080,594.89
5. Step 5: Solve for x
   x = 7,080,594.89/2,602.72
6. Step 6: Final answer
   x = 2,720.46