Finding the Fourth Proportional to 10,419.42, 14,363.86 and 7,430.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.42 : 14,363.86 = 7,430.07 : x
2. Step 2: Convert to fraction form
   10,419.42/14,363.86 = 7,430.07/x
3. Step 3: Cross multiply
   10,419.42x = 14,363.86 × 7,430.07
4. Step 4: Simplify right side
   10,419.42x = 106,724,485.27
5. Step 5: Solve for x
   x = 106,724,485.27/10,419.42
6. Step 6: Final answer
   x = 10,242.84