Finding the Fourth Proportional to 2,155,978.53, 3,234,290.76 and 696,537.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,978.53 : 3,234,290.76 = 696,537.27 : x
2. Step 2: Convert to fraction form
   2,155,978.53/3,234,290.76 = 696,537.27/x
3. Step 3: Cross multiply
   2,155,978.53x = 3,234,290.76 × 696,537.27
4. Step 4: Simplify right side
   2,155,978.53x = 2,252,804,056,356.63
5. Step 5: Solve for x
   x = 2,252,804,056,356.63/2,155,978.53
6. Step 6: Final answer
   x = 1,044,910.25