Finding the Fourth Proportional to 1,385,748, 1,912,338 and 749,844

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,748 : 1,912,338 = 749,844 : x
2. Step 2: Convert to fraction form
   1,385,748/1,912,338 = 749,844/x
3. Step 3: Cross multiply
   1,385,748x = 1,912,338 × 749,844
4. Step 4: Simplify right side
   1,385,748x = 1,433,955,175,272
5. Step 5: Solve for x
   x = 1,433,955,175,272/1,385,748
6. Step 6: Final answer
   x = 1,034,787.84