Finding the Fourth Proportional to 1,960,808.58, 2,705,856.89 and 1,089,640.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960,808.58 : 2,705,856.89 = 1,089,640.35 : x
2. Step 2: Convert to fraction form
   1,960,808.58/2,705,856.89 = 1,089,640.35/x
3. Step 3: Cross multiply
   1,960,808.58x = 2,705,856.89 × 1,089,640.35
4. Step 4: Simplify right side
   1,960,808.58x = 2,948,410,843,221.31
5. Step 5: Solve for x
   x = 2,948,410,843,221.31/1,960,808.58
6. Step 6: Final answer
   x = 1,503,670.92