Finding the Fourth Proportional to 60,667.50, 91,001.49 and 18,547.42

Step by Step Solution

1. Step 1: Write the proportion equation
   60,667.50 : 91,001.49 = 18,547.42 : x
2. Step 2: Convert to fraction form
   60,667.50/91,001.49 = 18,547.42/x
3. Step 3: Cross multiply
   60,667.50x = 91,001.49 × 18,547.42
4. Step 4: Simplify right side
   60,667.50x = 1,687,842,762.92
5. Step 5: Solve for x
   x = 1,687,842,762.92/60,667.50
6. Step 6: Final answer
   x = 27,821.20