Finding the Fourth Proportional to 2,141,008.96, 3,211,514.52 and 645,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,008.96 : 3,211,514.52 = 645,100.96 : x
2. Step 2: Convert to fraction form
   2,141,008.96/3,211,514.52 = 645,100.96/x
3. Step 3: Cross multiply
   2,141,008.96x = 3,211,514.52 × 645,100.96
4. Step 4: Simplify right side
   2,141,008.96x = 2,071,751,099,905.94
5. Step 5: Solve for x
   x = 2,071,751,099,905.94/2,141,008.96
6. Step 6: Final answer
   x = 967,651.77