Finding the Fourth Proportional to 2,147,663.56, 3,221,514.72 and 651,755.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,663.56 : 3,221,514.72 = 651,755.56 : x
2. Step 2: Convert to fraction form
   2,147,663.56/3,221,514.72 = 651,755.56/x
3. Step 3: Cross multiply
   2,147,663.56x = 3,221,514.72 × 651,755.56
4. Step 4: Simplify right side
   2,147,663.56x = 2,099,640,130,381.84
5. Step 5: Solve for x
   x = 2,099,640,130,381.84/2,147,663.56
6. Step 6: Final answer
   x = 977,639.22