Finding the Fourth Proportional to 849,061.09, 1,171,714.04 and 486,477.69

Step by Step Solution

1. Step 1: Write the proportion equation
   849,061.09 : 1,171,714.04 = 486,477.69 : x
2. Step 2: Convert to fraction form
   849,061.09/1,171,714.04 = 486,477.69/x
3. Step 3: Cross multiply
   849,061.09x = 1,171,714.04 × 486,477.69
4. Step 4: Simplify right side
   849,061.09x = 570,012,739,519.77
5. Step 5: Solve for x
   x = 570,012,739,519.77/849,061.09
6. Step 6: Final answer
   x = 671,344.79