Finding the Fourth Proportional to 278,574.72, 418,064.98 and 101,096.02

Step by Step Solution

1. Step 1: Write the proportion equation
   278,574.72 : 418,064.98 = 101,096.02 : x
2. Step 2: Convert to fraction form
   278,574.72/418,064.98 = 101,096.02/x
3. Step 3: Cross multiply
   278,574.72x = 418,064.98 × 101,096.02
4. Step 4: Simplify right side
   278,574.72x = 42,264,705,579.38
5. Step 5: Solve for x
   x = 42,264,705,579.38/278,574.72
6. Step 6: Final answer
   x = 151,717.66