Finding the Fourth Proportional to 669,981, 924,573.78 and 368,175

Step by Step Solution

1. Step 1: Write the proportion equation
   669,981 : 924,573.78 = 368,175 : x
2. Step 2: Convert to fraction form
   669,981/924,573.78 = 368,175/x
3. Step 3: Cross multiply
   669,981x = 924,573.78 × 368,175
4. Step 4: Simplify right side
   669,981x = 340,404,951,451.50
5. Step 5: Solve for x
   x = 340,404,951,451.50/669,981
6. Step 6: Final answer
   x = 508,081.50