Finding the Fourth Proportional to 2,828,316.78, 4,240,649.52 and 1,210,141.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828,316.78 : 4,240,649.52 = 1,210,141.62 : x
2. Step 2: Convert to fraction form
   2,828,316.78/4,240,649.52 = 1,210,141.62/x
3. Step 3: Cross multiply
   2,828,316.78x = 4,240,649.52 × 1,210,141.62
4. Step 4: Simplify right side
   2,828,316.78x = 5,131,786,479,985.02
5. Step 5: Solve for x
   x = 5,131,786,479,985.02/2,828,316.78
6. Step 6: Final answer
   x = 1,814,431.30