Finding the Fourth Proportional to 3,900,131.82, 5,845,406.27 and 2,190,681.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900,131.82 : 5,845,406.27 = 2,190,681.72 : x
2. Step 2: Convert to fraction form
   3,900,131.82/5,845,406.27 = 2,190,681.72/x
3. Step 3: Cross multiply
   3,900,131.82x = 5,845,406.27 × 2,190,681.72
4. Step 4: Simplify right side
   3,900,131.82x = 12,805,424,650,708.98
5. Step 5: Solve for x
   x = 12,805,424,650,708.98/3,900,131.82
6. Step 6: Final answer
   x = 3,283,331.24