Finding the Fourth Proportional to 1,262,279.37, 1,893,354.53 and 463,499.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,279.37 : 1,893,354.53 = 463,499.49 : x
2. Step 2: Convert to fraction form
   1,262,279.37/1,893,354.53 = 463,499.49/x
3. Step 3: Cross multiply
   1,262,279.37x = 1,893,354.53 × 463,499.49
4. Step 4: Simplify right side
   1,262,279.37x = 877,568,856,726.69
5. Step 5: Solve for x
   x = 877,568,856,726.69/1,262,279.37
6. Step 6: Final answer
   x = 695,225.54