Finding the Fourth Proportional to 11,012.60, 16,515.86 and 3,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012.60 : 16,515.86 = 3,114.50 : x
2. Step 2: Convert to fraction form
   11,012.60/16,515.86 = 3,114.50/x
3. Step 3: Cross multiply
   11,012.60x = 16,515.86 × 3,114.50
4. Step 4: Simplify right side
   11,012.60x = 51,438,547.82
5. Step 5: Solve for x
   x = 51,438,547.82/11,012.60
6. Step 6: Final answer
   x = 4,670.88