Finding the Fourth Proportional to 28,403.18, 42,601.59 and 7,343.33

Step by Step Solution

1. Step 1: Write the proportion equation
   28,403.18 : 42,601.59 = 7,343.33 : x
2. Step 2: Convert to fraction form
   28,403.18/42,601.59 = 7,343.33/x
3. Step 3: Cross multiply
   28,403.18x = 42,601.59 × 7,343.33
4. Step 4: Simplify right side
   28,403.18x = 312,837,320.89
5. Step 5: Solve for x
   x = 312,837,320.89/28,403.18
6. Step 6: Final answer
   x = 11,014.17