Finding the Fourth Proportional to 849,061.59, 1,171,714.73 and 486,478.19

Step by Step Solution

1. Step 1: Write the proportion equation
   849,061.59 : 1,171,714.73 = 486,478.19 : x
2. Step 2: Convert to fraction form
   849,061.59/1,171,714.73 = 486,478.19/x
3. Step 3: Cross multiply
   849,061.59x = 1,171,714.73 × 486,478.19
4. Step 4: Simplify right side
   849,061.59x = 570,013,652,755.77
5. Step 5: Solve for x
   x = 570,013,652,755.77/849,061.59
6. Step 6: Final answer
   x = 671,345.47