Finding the Fourth Proportional to 89,077.31, 122,928.45 and 48,791.07

Step by Step Solution

1. Step 1: Write the proportion equation
   89,077.31 : 122,928.45 = 48,791.07 : x
2. Step 2: Convert to fraction form
   89,077.31/122,928.45 = 48,791.07/x
3. Step 3: Cross multiply
   89,077.31x = 122,928.45 × 48,791.07
4. Step 4: Simplify right side
   89,077.31x = 5,997,810,608.94
5. Step 5: Solve for x
   x = 5,997,810,608.94/89,077.31
6. Step 6: Final answer
   x = 67,332.65