Finding the Fourth Proportional to 2,185,139.82, 3,295,196.27 and 2,155,221.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,139.82 : 3,295,196.27 = 2,155,221.66 : x
2. Step 2: Convert to fraction form
   2,185,139.82/3,295,196.27 = 2,155,221.66/x
3. Step 3: Cross multiply
   2,185,139.82x = 3,295,196.27 × 2,155,221.66
4. Step 4: Simplify right side
   2,185,139.82x = 7,101,878,364,279.10
5. Step 5: Solve for x
   x = 7,101,878,364,279.10/2,185,139.82
6. Step 6: Final answer
   x = 3,250,079.61