Finding the Fourth Proportional to 1,764.07, 2,429.23 and 1,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.07 : 2,429.23 = 1,577.50 : x
2. Step 2: Convert to fraction form
   1,764.07/2,429.23 = 1,577.50/x
3. Step 3: Cross multiply
   1,764.07x = 2,429.23 × 1,577.50
4. Step 4: Simplify right side
   1,764.07x = 3,832,110.33
5. Step 5: Solve for x
   x = 3,832,110.33/1,764.07
6. Step 6: Final answer
   x = 2,172.31