Finding the Fourth Proportional to 283,090.32, 424,638.72 and 72,722.52

Step by Step Solution

1. Step 1: Write the proportion equation
   283,090.32 : 424,638.72 = 72,722.52 : x
2. Step 2: Convert to fraction form
   283,090.32/424,638.72 = 72,722.52/x
3. Step 3: Cross multiply
   283,090.32x = 424,638.72 × 72,722.52
4. Step 4: Simplify right side
   283,090.32x = 30,880,797,807.97
5. Step 5: Solve for x
   x = 30,880,797,807.97/283,090.32
6. Step 6: Final answer
   x = 109,084.61