Finding the Fourth Proportional to 2,010,096.60, 3,015,215.70 and 643,911.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,096.60 : 3,015,215.70 = 643,911.84 : x
2. Step 2: Convert to fraction form
   2,010,096.60/3,015,215.70 = 643,911.84/x
3. Step 3: Cross multiply
   2,010,096.60x = 3,015,215.70 × 643,911.84
4. Step 4: Simplify right side
   2,010,096.60x = 1,941,533,089,383.89
5. Step 5: Solve for x
   x = 1,941,533,089,383.89/2,010,096.60
6. Step 6: Final answer
   x = 965,890.44