Finding the Fourth Proportional to 143,900.01, 215,869.69 and 49,104.70

Step by Step Solution

1. Step 1: Write the proportion equation
   143,900.01 : 215,869.69 = 49,104.70 : x
2. Step 2: Convert to fraction form
   143,900.01/215,869.69 = 49,104.70/x
3. Step 3: Cross multiply
   143,900.01x = 215,869.69 × 49,104.70
4. Step 4: Simplify right side
   143,900.01x = 10,600,215,888.25
5. Step 5: Solve for x
   x = 10,600,215,888.25/143,900.01
6. Step 6: Final answer
   x = 73,663.76