Finding the Fourth Proportional to 9,927.86, 13,699.82 and 5,451.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,927.86 : 13,699.82 = 5,451.59 : x
2. Step 2: Convert to fraction form
   9,927.86/13,699.82 = 5,451.59/x
3. Step 3: Cross multiply
   9,927.86x = 13,699.82 × 5,451.59
4. Step 4: Simplify right side
   9,927.86x = 74,685,705.96
5. Step 5: Solve for x
   x = 74,685,705.96/9,927.86
6. Step 6: Final answer
   x = 7,522.84