Finding the Fourth Proportional to 2,629,213.25, 3,933,443.16 and 1,991,354.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,213.25 : 3,933,443.16 = 1,991,354.85 : x
2. Step 2: Convert to fraction form
   2,629,213.25/3,933,443.16 = 1,991,354.85/x
3. Step 3: Cross multiply
   2,629,213.25x = 3,933,443.16 × 1,991,354.85
4. Step 4: Simplify right side
   2,629,213.25x = 7,832,881,113,865.33
5. Step 5: Solve for x
   x = 7,832,881,113,865.33/2,629,213.25
6. Step 6: Final answer
   x = 2,979,173.00