Finding the Fourth Proportional to 89,031.51, 122,864.94 and 48,744.63

Step by Step Solution

1. Step 1: Write the proportion equation
   89,031.51 : 122,864.94 = 48,744.63 : x
2. Step 2: Convert to fraction form
   89,031.51/122,864.94 = 48,744.63/x
3. Step 3: Cross multiply
   89,031.51x = 122,864.94 × 48,744.63
4. Step 4: Simplify right side
   89,031.51x = 5,989,006,040.27
5. Step 5: Solve for x
   x = 5,989,006,040.27/89,031.51
6. Step 6: Final answer
   x = 67,268.39