Finding the Fourth Proportional to 1,586,710.04, 2,380,141.61 and 521,728.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,586,710.04 : 2,380,141.61 = 521,728.52 : x
2. Step 2: Convert to fraction form
   1,586,710.04/2,380,141.61 = 521,728.52/x
3. Step 3: Cross multiply
   1,586,710.04x = 2,380,141.61 × 521,728.52
4. Step 4: Simplify right side
   1,586,710.04x = 1,241,787,759,575.72
5. Step 5: Solve for x
   x = 1,241,787,759,575.72/1,586,710.04
6. Step 6: Final answer
   x = 782,617.95