Finding the Fourth Proportional to 10,238.55, 14,124.83 and 7,407.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.55 : 14,124.83 = 7,407.60 : x
2. Step 2: Convert to fraction form
   10,238.55/14,124.83 = 7,407.60/x
3. Step 3: Cross multiply
   10,238.55x = 14,124.83 × 7,407.60
4. Step 4: Simplify right side
   10,238.55x = 104,631,053.67
5. Step 5: Solve for x
   x = 104,631,053.67/10,238.55
6. Step 6: Final answer
   x = 10,219.32