Finding the Fourth Proportional to 143,926.35, 215,888.01 and 49,155.45

Step by Step Solution

1. Step 1: Write the proportion equation
   143,926.35 : 215,888.01 = 49,155.45 : x
2. Step 2: Convert to fraction form
   143,926.35/215,888.01 = 49,155.45/x
3. Step 3: Cross multiply
   143,926.35x = 215,888.01 × 49,155.45
4. Step 4: Simplify right side
   143,926.35x = 10,612,072,281.15
5. Step 5: Solve for x
   x = 10,612,072,281.15/143,926.35
6. Step 6: Final answer
   x = 73,732.66