Finding the Fourth Proportional to 143,869.10, 215,653.14 and 49,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   143,869.10 : 215,653.14 = 49,066.10 : x
2. Step 2: Convert to fraction form
   143,869.10/215,653.14 = 49,066.10/x
3. Step 3: Cross multiply
   143,869.10x = 215,653.14 × 49,066.10
4. Step 4: Simplify right side
   143,869.10x = 10,581,257,454.29
5. Step 5: Solve for x
   x = 10,581,257,454.29/143,869.10
6. Step 6: Final answer
   x = 73,547.81