Finding the Fourth Proportional to 12,051.09, 16,636.53 and 7,577.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.09 : 16,636.53 = 7,577.31 : x
2. Step 2: Convert to fraction form
   12,051.09/16,636.53 = 7,577.31/x
3. Step 3: Cross multiply
   12,051.09x = 16,636.53 × 7,577.31
4. Step 4: Simplify right side
   12,051.09x = 126,060,145.13
5. Step 5: Solve for x
   x = 126,060,145.13/12,051.09
6. Step 6: Final answer
   x = 10,460.48