Finding the Fourth Proportional to 132,857.33, 183,338.82 and 72,427.01

Step by Step Solution

1. Step 1: Write the proportion equation
   132,857.33 : 183,338.82 = 72,427.01 : x
2. Step 2: Convert to fraction form
   132,857.33/183,338.82 = 72,427.01/x
3. Step 3: Cross multiply
   132,857.33x = 183,338.82 × 72,427.01
4. Step 4: Simplify right side
   132,857.33x = 13,278,681,632.83
5. Step 5: Solve for x
   x = 13,278,681,632.83/132,857.33
6. Step 6: Final answer
   x = 99,946.93