Finding the Fourth Proportional to 142,320.43, 213,519.53 and 48,833.47

Step by Step Solution

1. Step 1: Write the proportion equation
   142,320.43 : 213,519.53 = 48,833.47 : x
2. Step 2: Convert to fraction form
   142,320.43/213,519.53 = 48,833.47/x
3. Step 3: Cross multiply
   142,320.43x = 213,519.53 × 48,833.47
4. Step 4: Simplify right side
   142,320.43x = 10,426,899,562.67
5. Step 5: Solve for x
   x = 10,426,899,562.67/142,320.43
6. Step 6: Final answer
   x = 73,263.55