Finding the Fourth Proportional to 2,938,108.90, 4,406,904.15 and 808,003.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938,108.90 : 4,406,904.15 = 808,003.30 : x
2. Step 2: Convert to fraction form
   2,938,108.90/4,406,904.15 = 808,003.30/x
3. Step 3: Cross multiply
   2,938,108.90x = 4,406,904.15 × 808,003.30
4. Step 4: Simplify right side
   2,938,108.90x = 3,560,793,095,983.70
5. Step 5: Solve for x
   x = 3,560,793,095,983.70/2,938,108.90
6. Step 6: Final answer
   x = 1,211,933.67