Finding the Fourth Proportional to 3,359,808.72, 4,636,420.56 and 1,909,478.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,359,808.72 : 4,636,420.56 = 1,909,478.88 : x
2. Step 2: Convert to fraction form
   3,359,808.72/4,636,420.56 = 1,909,478.88/x
3. Step 3: Cross multiply
   3,359,808.72x = 4,636,420.56 × 1,909,478.88
4. Step 4: Simplify right side
   3,359,808.72x = 8,853,147,138,117.77
5. Step 5: Solve for x
   x = 8,853,147,138,117.77/3,359,808.72
6. Step 6: Final answer
   x = 2,635,015.23