Finding the Fourth Proportional to 610,617.56, 842,100.71 and 381,196.06

Step by Step Solution

1. Step 1: Write the proportion equation
   610,617.56 : 842,100.71 = 381,196.06 : x
2. Step 2: Convert to fraction form
   610,617.56/842,100.71 = 381,196.06/x
3. Step 3: Cross multiply
   610,617.56x = 842,100.71 × 381,196.06
4. Step 4: Simplify right side
   610,617.56x = 321,005,468,763.97
5. Step 5: Solve for x
   x = 321,005,468,763.97/610,617.56
6. Step 6: Final answer
   x = 525,706.26