Finding the Fourth Proportional to 616,503, 924,940.98 and 436,935.72

Step by Step Solution

1. Step 1: Write the proportion equation
   616,503 : 924,940.98 = 436,935.72 : x
2. Step 2: Convert to fraction form
   616,503/924,940.98 = 436,935.72/x
3. Step 3: Cross multiply
   616,503x = 924,940.98 × 436,935.72
4. Step 4: Simplify right side
   616,503x = 404,139,753,053.81
5. Step 5: Solve for x
   x = 404,139,753,053.81/616,503
6. Step 6: Final answer
   x = 655,535.74