Finding the Fourth Proportional to 89,225.90, 123,085.10 and 52,906.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,225.90 : 123,085.10 = 52,906.21 : x
2. Step 2: Convert to fraction form
   89,225.90/123,085.10 = 52,906.21/x
3. Step 3: Cross multiply
   89,225.90x = 123,085.10 × 52,906.21
4. Step 4: Simplify right side
   89,225.90x = 6,511,965,973.02
5. Step 5: Solve for x
   x = 6,511,965,973.02/89,225.90
6. Step 6: Final answer
   x = 72,982.91