Finding the Fourth Proportional to 132,444, 182,772.72 and 72,828

Step by Step Solution

1. Step 1: Write the proportion equation
   132,444 : 182,772.72 = 72,828 : x
2. Step 2: Convert to fraction form
   132,444/182,772.72 = 72,828/x
3. Step 3: Cross multiply
   132,444x = 182,772.72 × 72,828
4. Step 4: Simplify right side
   132,444x = 13,310,971,652.16
5. Step 5: Solve for x
   x = 13,310,971,652.16/132,444
6. Step 6: Final answer
   x = 100,502.64