Finding the Fourth Proportional to 107,602.71, 148,496.54 and 89,667.69

Step by Step Solution

1. Step 1: Write the proportion equation
   107,602.71 : 148,496.54 = 89,667.69 : x
2. Step 2: Convert to fraction form
   107,602.71/148,496.54 = 89,667.69/x
3. Step 3: Cross multiply
   107,602.71x = 148,496.54 × 89,667.69
4. Step 4: Simplify right side
   107,602.71x = 13,315,341,266.45
5. Step 5: Solve for x
   x = 13,315,341,266.45/107,602.71
6. Step 6: Final answer
   x = 123,745.41