Finding the Fourth Proportional to 10,837.86, 16,256.55 and 4,994.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,837.86 : 16,256.55 = 4,994.47 : x
2. Step 2: Convert to fraction form
   10,837.86/16,256.55 = 4,994.47/x
3. Step 3: Cross multiply
   10,837.86x = 16,256.55 × 4,994.47
4. Step 4: Simplify right side
   10,837.86x = 81,192,798.89
5. Step 5: Solve for x
   x = 81,192,798.89/10,837.86
6. Step 6: Final answer
   x = 7,491.59