Finding the Fourth Proportional to 99,226.14, 148,196.96 and 89,847.42

Step by Step Solution

1. Step 1: Write the proportion equation
   99,226.14 : 148,196.96 = 89,847.42 : x
2. Step 2: Convert to fraction form
   99,226.14/148,196.96 = 89,847.42/x
3. Step 3: Cross multiply
   99,226.14x = 148,196.96 × 89,847.42
4. Step 4: Simplify right side
   99,226.14x = 13,315,114,058.61
5. Step 5: Solve for x
   x = 13,315,114,058.61/99,226.14
6. Step 6: Final answer
   x = 134,189.58