Finding the Fourth Proportional to 433,196.72, 649,838.47 and 148,849.80

Step by Step Solution

1. Step 1: Write the proportion equation
   433,196.72 : 649,838.47 = 148,849.80 : x
2. Step 2: Convert to fraction form
   433,196.72/649,838.47 = 148,849.80/x
3. Step 3: Cross multiply
   433,196.72x = 649,838.47 × 148,849.80
4. Step 4: Simplify right side
   433,196.72x = 96,728,326,291.81
5. Step 5: Solve for x
   x = 96,728,326,291.81/433,196.72
6. Step 6: Final answer
   x = 223,289.61