Finding the Fourth Proportional to 10,411.01, 14,345.93 and 7,420.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.01 : 14,345.93 = 7,420.49 : x
2. Step 2: Convert to fraction form
   10,411.01/14,345.93 = 7,420.49/x
3. Step 3: Cross multiply
   10,411.01x = 14,345.93 × 7,420.49
4. Step 4: Simplify right side
   10,411.01x = 106,453,776.93
5. Step 5: Solve for x
   x = 106,453,776.93/10,411.01
6. Step 6: Final answer
   x = 10,225.12