Finding the Fourth Proportional to 1,468,111.70, 2,201,649.15 and 521,513.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468,111.70 : 2,201,649.15 = 521,513.30 : x
2. Step 2: Convert to fraction form
   1,468,111.70/2,201,649.15 = 521,513.30/x
3. Step 3: Cross multiply
   1,468,111.70x = 2,201,649.15 × 521,513.30
4. Step 4: Simplify right side
   1,468,111.70x = 1,148,189,313,658.69
5. Step 5: Solve for x
   x = 1,148,189,313,658.69/1,468,111.70
6. Step 6: Final answer
   x = 782,085.80