Finding the Fourth Proportional to 1,761,665.93, 2,642,553.72 and 838,219.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761,665.93 : 2,642,553.72 = 838,219.53 : x
2. Step 2: Convert to fraction form
   1,761,665.93/2,642,553.72 = 838,219.53/x
3. Step 3: Cross multiply
   1,761,665.93x = 2,642,553.72 × 838,219.53
4. Step 4: Simplify right side
   1,761,665.93x = 2,215,040,137,178.15
5. Step 5: Solve for x
   x = 2,215,040,137,178.15/1,761,665.93
6. Step 6: Final answer
   x = 1,257,355.38