Finding the Fourth Proportional to 89,328.49, 123,274.21 and 48,492.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,328.49 : 123,274.21 = 48,492.94 : x
2. Step 2: Convert to fraction form
   89,328.49/123,274.21 = 48,492.94/x
3. Step 3: Cross multiply
   89,328.49x = 123,274.21 × 48,492.94
4. Step 4: Simplify right side
   89,328.49x = 5,977,928,502.41
5. Step 5: Solve for x
   x = 5,977,928,502.41/89,328.49
6. Step 6: Final answer
   x = 66,920.74