Finding the Fourth Proportional to 133,231.48, 183,853.72 and 72,801.16

Step by Step Solution

1. Step 1: Write the proportion equation
   133,231.48 : 183,853.72 = 72,801.16 : x
2. Step 2: Convert to fraction form
   133,231.48/183,853.72 = 72,801.16/x
3. Step 3: Cross multiply
   133,231.48x = 183,853.72 × 72,801.16
4. Step 4: Simplify right side
   133,231.48x = 13,384,764,086.32
5. Step 5: Solve for x
   x = 13,384,764,086.32/133,231.48
6. Step 6: Final answer
   x = 100,462.47