Finding the Fourth Proportional to 60,144.76, 90,225.78 and 18,595

Step by Step Solution

1. Step 1: Write the proportion equation
   60,144.76 : 90,225.78 = 18,595 : x
2. Step 2: Convert to fraction form
   60,144.76/90,225.78 = 18,595/x
3. Step 3: Cross multiply
   60,144.76x = 90,225.78 × 18,595
4. Step 4: Simplify right side
   60,144.76x = 1,677,748,379.10
5. Step 5: Solve for x
   x = 1,677,748,379.10/60,144.76
6. Step 6: Final answer
   x = 27,895.17