Finding the Fourth Proportional to 2,257,458, 3,387,294.12 and 1,059,477.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,458 : 3,387,294.12 = 1,059,477.72 : x
2. Step 2: Convert to fraction form
   2,257,458/3,387,294.12 = 1,059,477.72/x
3. Step 3: Cross multiply
   2,257,458x = 3,387,294.12 × 1,059,477.72
4. Step 4: Simplify right side
   2,257,458x = 3,588,762,651,227.01
5. Step 5: Solve for x
   x = 3,588,762,651,227.01/2,257,458
6. Step 6: Final answer
   x = 1,589,736.18