Finding the Fourth Proportional to 89,522.01, 134,023.82 and 67,428.45

Step by Step Solution

1. Step 1: Write the proportion equation
   89,522.01 : 134,023.82 = 67,428.45 : x
2. Step 2: Convert to fraction form
   89,522.01/134,023.82 = 67,428.45/x
3. Step 3: Cross multiply
   89,522.01x = 134,023.82 × 67,428.45
4. Step 4: Simplify right side
   89,522.01x = 9,037,018,108.54
5. Step 5: Solve for x
   x = 9,037,018,108.54/89,522.01
6. Step 6: Final answer
   x = 100,947.44