Finding the Fourth Proportional to 1,648,457.38, 2,473,041.12 and 511,196.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,457.38 : 2,473,041.12 = 511,196.59 : x
2. Step 2: Convert to fraction form
   1,648,457.38/2,473,041.12 = 511,196.59/x
3. Step 3: Cross multiply
   1,648,457.38x = 2,473,041.12 × 511,196.59
4. Step 4: Simplify right side
   1,648,457.38x = 1,264,210,187,473.78
5. Step 5: Solve for x
   x = 1,264,210,187,473.78/1,648,457.38
6. Step 6: Final answer
   x = 766,904.99