Finding the Fourth Proportional to 12,061, 18,083.74 and 5,039.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061 : 18,083.74 = 5,039.13 : x
2. Step 2: Convert to fraction form
   12,061/18,083.74 = 5,039.13/x
3. Step 3: Cross multiply
   12,061x = 18,083.74 × 5,039.13
4. Step 4: Simplify right side
   12,061x = 91,126,316.75
5. Step 5: Solve for x
   x = 91,126,316.75/12,061
6. Step 6: Final answer
   x = 7,555.45