Finding the Fourth Proportional to 432,019.96, 648,033.78 and 132,501.94

Step by Step Solution

1. Step 1: Write the proportion equation
   432,019.96 : 648,033.78 = 132,501.94 : x
2. Step 2: Convert to fraction form
   432,019.96/648,033.78 = 132,501.94/x
3. Step 3: Cross multiply
   432,019.96x = 648,033.78 × 132,501.94
4. Step 4: Simplify right side
   432,019.96x = 85,865,731,912.33
5. Step 5: Solve for x
   x = 85,865,731,912.33/432,019.96
6. Step 6: Final answer
   x = 198,754.09