Finding the Fourth Proportional to 12,487.94, 18,741.15 and 5,914.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,487.94 : 18,741.15 = 5,914.14 : x
2. Step 2: Convert to fraction form
   12,487.94/18,741.15 = 5,914.14/x
3. Step 3: Cross multiply
   12,487.94x = 18,741.15 × 5,914.14
4. Step 4: Simplify right side
   12,487.94x = 110,837,784.86
5. Step 5: Solve for x
   x = 110,837,784.86/12,487.94
6. Step 6: Final answer
   x = 8,875.59