Finding the Fourth Proportional to 2,625.72, 3,623.48 and 1,430.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.72 : 3,623.48 = 1,430.77 : x
2. Step 2: Convert to fraction form
   2,625.72/3,623.48 = 1,430.77/x
3. Step 3: Cross multiply
   2,625.72x = 3,623.48 × 1,430.77
4. Step 4: Simplify right side
   2,625.72x = 5,184,368.59
5. Step 5: Solve for x
   x = 5,184,368.59/2,625.72
6. Step 6: Final answer
   x = 1,974.46