Finding the Fourth Proportional to 60,156.76, 90,243.78 and 18,607

Step by Step Solution

1. Step 1: Write the proportion equation
   60,156.76 : 90,243.78 = 18,607 : x
2. Step 2: Convert to fraction form
   60,156.76/90,243.78 = 18,607/x
3. Step 3: Cross multiply
   60,156.76x = 90,243.78 × 18,607
4. Step 4: Simplify right side
   60,156.76x = 1,679,166,014.46
5. Step 5: Solve for x
   x = 1,679,166,014.46/60,156.76
6. Step 6: Final answer
   x = 27,913.17