Finding the Fourth Proportional to 1,187,093.82, 1,638,272.62 and 670,895.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,093.82 : 1,638,272.62 = 670,895.42 : x
2. Step 2: Convert to fraction form
   1,187,093.82/1,638,272.62 = 670,895.42/x
3. Step 3: Cross multiply
   1,187,093.82x = 1,638,272.62 × 670,895.42
4. Step 4: Simplify right side
   1,187,093.82x = 1,099,109,597,469.40
5. Step 5: Solve for x
   x = 1,099,109,597,469.40/1,187,093.82
6. Step 6: Final answer
   x = 925,882.67