Finding the Fourth Proportional to 89,832.18, 134,709.15 and 25,776.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,832.18 : 134,709.15 = 25,776.21 : x
2. Step 2: Convert to fraction form
   89,832.18/134,709.15 = 25,776.21/x
3. Step 3: Cross multiply
   89,832.18x = 134,709.15 × 25,776.21
4. Step 4: Simplify right side
   89,832.18x = 3,472,291,339.32
5. Step 5: Solve for x
   x = 3,472,291,339.32/89,832.18
6. Step 6: Final answer
   x = 38,653.09