Finding the Fourth Proportional to 580,100.84, 870,116.16 and 344,940.02

Step by Step Solution

1. Step 1: Write the proportion equation
   580,100.84 : 870,116.16 = 344,940.02 : x
2. Step 2: Convert to fraction form
   580,100.84/870,116.16 = 344,940.02/x
3. Step 3: Cross multiply
   580,100.84x = 870,116.16 × 344,940.02
4. Step 4: Simplify right side
   580,100.84x = 300,137,885,632.72
5. Step 5: Solve for x
   x = 300,137,885,632.72/580,100.84
6. Step 6: Final answer
   x = 517,389.16