Finding the Fourth Proportional to 7,761,061.09, 11,642,994.96 and 3,209,638.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,761,061.09 : 11,642,994.96 = 3,209,638.89 : x
2. Step 2: Convert to fraction form
   7,761,061.09/11,642,994.96 = 3,209,638.89/x
3. Step 3: Cross multiply
   7,761,061.09x = 11,642,994.96 × 3,209,638.89
4. Step 4: Simplify right side
   7,761,061.09x = 37,369,809,419,690
5. Step 5: Solve for x
   x = 37,369,809,419,690/7,761,061.09
6. Step 6: Final answer
   x = 4,815,038.69