Finding the Fourth Proportional to 12,911.71, 19,368.72 and 5,014.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,911.71 : 19,368.72 = 5,014.04 : x
2. Step 2: Convert to fraction form
   12,911.71/19,368.72 = 5,014.04/x
3. Step 3: Cross multiply
   12,911.71x = 19,368.72 × 5,014.04
4. Step 4: Simplify right side
   12,911.71x = 97,115,536.83
5. Step 5: Solve for x
   x = 97,115,536.83/12,911.71
6. Step 6: Final answer
   x = 7,521.51