Finding the Fourth Proportional to 10,100.10, 15,102.05 and 9,217.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.10 : 15,102.05 = 9,217.83 : x
2. Step 2: Convert to fraction form
   10,100.10/15,102.05 = 9,217.83/x
3. Step 3: Cross multiply
   10,100.10x = 15,102.05 × 9,217.83
4. Step 4: Simplify right side
   10,100.10x = 139,208,090.45
5. Step 5: Solve for x
   x = 139,208,090.45/10,100.10
6. Step 6: Final answer
   x = 13,782.84