Finding the Fourth Proportional to 664,061.16, 916,402.50 and 362,253

Step by Step Solution

1. Step 1: Write the proportion equation
   664,061.16 : 916,402.50 = 362,253 : x
2. Step 2: Convert to fraction form
   664,061.16/916,402.50 = 362,253/x
3. Step 3: Cross multiply
   664,061.16x = 916,402.50 × 362,253
4. Step 4: Simplify right side
   664,061.16x = 331,969,554,832.50
5. Step 5: Solve for x
   x = 331,969,554,832.50/664,061.16
6. Step 6: Final answer
   x = 499,908.10