Finding the Fourth Proportional to 143,977.47, 215,984.43 and 49,225.83

Step by Step Solution

1. Step 1: Write the proportion equation
   143,977.47 : 215,984.43 = 49,225.83 : x
2. Step 2: Convert to fraction form
   143,977.47/215,984.43 = 49,225.83/x
3. Step 3: Cross multiply
   143,977.47x = 215,984.43 × 49,225.83
4. Step 4: Simplify right side
   143,977.47x = 10,632,012,833.83
5. Step 5: Solve for x
   x = 10,632,012,833.83/143,977.47
6. Step 6: Final answer
   x = 73,844.98