Finding the Fourth Proportional to 89,126, 122,993.88 and 53,317.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,126 : 122,993.88 = 53,317.52 : x
2. Step 2: Convert to fraction form
   89,126/122,993.88 = 53,317.52/x
3. Step 3: Cross multiply
   89,126x = 122,993.88 × 53,317.52
4. Step 4: Simplify right side
   89,126x = 6,557,728,656.78
5. Step 5: Solve for x
   x = 6,557,728,656.78/89,126
6. Step 6: Final answer
   x = 73,578.18