Finding the Fourth Proportional to 89,784.81, 123,899.85 and 48,948.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,784.81 : 123,899.85 = 48,948.09 : x
2. Step 2: Convert to fraction form
   89,784.81/123,899.85 = 48,948.09/x
3. Step 3: Cross multiply
   89,784.81x = 123,899.85 × 48,948.09
4. Step 4: Simplify right side
   89,784.81x = 6,064,661,008.79
5. Step 5: Solve for x
   x = 6,064,661,008.79/89,784.81
6. Step 6: Final answer
   x = 67,546.63