Finding the Fourth Proportional to 1,213,932.69, 1,675,227.20 and 670,068.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,932.69 : 1,675,227.20 = 670,068.61 : x
2. Step 2: Convert to fraction form
   1,213,932.69/1,675,227.20 = 670,068.61/x
3. Step 3: Cross multiply
   1,213,932.69x = 1,675,227.20 × 670,068.61
4. Step 4: Simplify right side
   1,213,932.69x = 1,122,517,153,799.78
5. Step 5: Solve for x
   x = 1,122,517,153,799.78/1,213,932.69
6. Step 6: Final answer
   x = 924,694.72