Finding the Fourth Proportional to 10,021.86, 15,041.93 and 5,345.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.86 : 15,041.93 = 5,345.82 : x
2. Step 2: Convert to fraction form
   10,021.86/15,041.93 = 5,345.82/x
3. Step 3: Cross multiply
   10,021.86x = 15,041.93 × 5,345.82
4. Step 4: Simplify right side
   10,021.86x = 80,411,423.50
5. Step 5: Solve for x
   x = 80,411,423.50/10,021.86
6. Step 6: Final answer
   x = 8,023.60