Finding the Fourth Proportional to 3,900,132.31, 5,845,407.01 and 2,190,682.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900,132.31 : 5,845,407.01 = 2,190,682.21 : x
2. Step 2: Convert to fraction form
   3,900,132.31/5,845,407.01 = 2,190,682.21/x
3. Step 3: Cross multiply
   3,900,132.31x = 5,845,407.01 × 2,190,682.21
4. Step 4: Simplify right side
   3,900,132.31x = 12,805,429,147,016.29
5. Step 5: Solve for x
   x = 12,805,429,147,016.29/3,900,132.31
6. Step 6: Final answer
   x = 3,283,331.98