Finding the Fourth Proportional to 1,667.52, 2,501.24 and 434.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.52 : 2,501.24 = 434.94 : x
2. Step 2: Convert to fraction form
   1,667.52/2,501.24 = 434.94/x
3. Step 3: Cross multiply
   1,667.52x = 2,501.24 × 434.94
4. Step 4: Simplify right side
   1,667.52x = 1,087,889.33
5. Step 5: Solve for x
   x = 1,087,889.33/1,667.52
6. Step 6: Final answer
   x = 652.40