Finding the Fourth Proportional to 469,614.62, 648,126.69 and 308,602.82

Step by Step Solution

1. Step 1: Write the proportion equation
   469,614.62 : 648,126.69 = 308,602.82 : x
2. Step 2: Convert to fraction form
   469,614.62/648,126.69 = 308,602.82/x
3. Step 3: Cross multiply
   469,614.62x = 648,126.69 × 308,602.82
4. Step 4: Simplify right side
   469,614.62x = 200,013,724,251.27
5. Step 5: Solve for x
   x = 200,013,724,251.27/469,614.62
6. Step 6: Final answer
   x = 425,910.34