Finding the Fourth Proportional to 134,428.89, 201,767.88 and 67,915.89

Step by Step Solution

1. Step 1: Write the proportion equation
   134,428.89 : 201,767.88 = 67,915.89 : x
2. Step 2: Convert to fraction form
   134,428.89/201,767.88 = 67,915.89/x
3. Step 3: Cross multiply
   134,428.89x = 201,767.88 × 67,915.89
4. Step 4: Simplify right side
   134,428.89x = 13,703,245,143.61
5. Step 5: Solve for x
   x = 13,703,245,143.61/134,428.89
6. Step 6: Final answer
   x = 101,936.76