Finding the Fourth Proportional to 194,061.40, 291,005.70 and 88,912.60

Step by Step Solution

1. Step 1: Write the proportion equation
   194,061.40 : 291,005.70 = 88,912.60 : x
2. Step 2: Convert to fraction form
   194,061.40/291,005.70 = 88,912.60/x
3. Step 3: Cross multiply
   194,061.40x = 291,005.70 × 88,912.60
4. Step 4: Simplify right side
   194,061.40x = 25,874,073,401.82
5. Step 5: Solve for x
   x = 25,874,073,401.82/194,061.40
6. Step 6: Final answer
   x = 133,329.31