Finding the Fourth Proportional to 89,111.08, 122,969.52 and 53,279.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,111.08 : 122,969.52 = 53,279.92 : x
2. Step 2: Convert to fraction form
   89,111.08/122,969.52 = 53,279.92/x
3. Step 3: Cross multiply
   89,111.08x = 122,969.52 × 53,279.92
4. Step 4: Simplify right side
   89,111.08x = 6,551,806,188.04
5. Step 5: Solve for x
   x = 6,551,806,188.04/89,111.08
6. Step 6: Final answer
   x = 73,524.04