Finding the Fourth Proportional to 132,753.32, 183,198.56 and 72,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   132,753.32 : 183,198.56 = 72,323.78 : x
2. Step 2: Convert to fraction form
   132,753.32/183,198.56 = 72,323.78/x
3. Step 3: Cross multiply
   132,753.32x = 183,198.56 × 72,323.78
4. Step 4: Simplify right side
   132,753.32x = 13,249,611,072.15
5. Step 5: Solve for x
   x = 13,249,611,072.15/132,753.32
6. Step 6: Final answer
   x = 99,806.25