Finding the Fourth Proportional to 283,300.83, 424,967.90 and 80,881.37

Step by Step Solution

1. Step 1: Write the proportion equation
   283,300.83 : 424,967.90 = 80,881.37 : x
2. Step 2: Convert to fraction form
   283,300.83/424,967.90 = 80,881.37/x
3. Step 3: Cross multiply
   283,300.83x = 424,967.90 × 80,881.37
4. Step 4: Simplify right side
   283,300.83x = 34,371,987,867.81
5. Step 5: Solve for x
   x = 34,371,987,867.81/283,300.83
6. Step 6: Final answer
   x = 121,326.82