Finding the Fourth Proportional to 1,053,401.31, 1,580,115.38 and 370,260.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,401.31 : 1,580,115.38 = 370,260.59 : x
2. Step 2: Convert to fraction form
   1,053,401.31/1,580,115.38 = 370,260.59/x
3. Step 3: Cross multiply
   1,053,401.31x = 1,580,115.38 × 370,260.59
4. Step 4: Simplify right side
   1,053,401.31x = 585,054,443,114.99
5. Step 5: Solve for x
   x = 585,054,443,114.99/1,053,401.31
6. Step 6: Final answer
   x = 555,395.59