Finding the Fourth Proportional to 10,783.17, 16,174.71 and 4,210.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.17 : 16,174.71 = 4,210.02 : x
2. Step 2: Convert to fraction form
   10,783.17/16,174.71 = 4,210.02/x
3. Step 3: Cross multiply
   10,783.17x = 16,174.71 × 4,210.02
4. Step 4: Simplify right side
   10,783.17x = 68,095,852.59
5. Step 5: Solve for x
   x = 68,095,852.59/10,783.17
6. Step 6: Final answer
   x = 6,315.01