Finding the Fourth Proportional to 12,460.64, 18,685.69 and 5,059.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,460.64 : 18,685.69 = 5,059.87 : x
2. Step 2: Convert to fraction form
   12,460.64/18,685.69 = 5,059.87/x
3. Step 3: Cross multiply
   12,460.64x = 18,685.69 × 5,059.87
4. Step 4: Simplify right side
   12,460.64x = 94,547,102.90
5. Step 5: Solve for x
   x = 94,547,102.90/12,460.64
6. Step 6: Final answer
   x = 7,587.66