Finding the Fourth Proportional to 146,572.10, 205,667.50 and 146,572.10

Step by Step Solution

1. Step 1: Write the proportion equation
   146,572.10 : 205,667.50 = 146,572.10 : x
2. Step 2: Convert to fraction form
   146,572.10/205,667.50 = 146,572.10/x
3. Step 3: Cross multiply
   146,572.10x = 205,667.50 × 146,572.10
4. Step 4: Simplify right side
   146,572.10x = 30,145,117,376.75
5. Step 5: Solve for x
   x = 30,145,117,376.75/146,572.10
6. Step 6: Final answer
   x = 205,667.50