Finding the Fourth Proportional to 107,478.76, 148,410.22 and 89,667.14

Step by Step Solution

1. Step 1: Write the proportion equation
   107,478.76 : 148,410.22 = 89,667.14 : x
2. Step 2: Convert to fraction form
   107,478.76/148,410.22 = 89,667.14/x
3. Step 3: Cross multiply
   107,478.76x = 148,410.22 × 89,667.14
4. Step 4: Simplify right side
   107,478.76x = 13,307,519,974.17
5. Step 5: Solve for x
   x = 13,307,519,974.17/107,478.76
6. Step 6: Final answer
   x = 123,815.35