Finding the Fourth Proportional to 13,419.04, 20,124.01 and 5,097.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,419.04 : 20,124.01 = 5,097.05 : x
2. Step 2: Convert to fraction form
   13,419.04/20,124.01 = 5,097.05/x
3. Step 3: Cross multiply
   13,419.04x = 20,124.01 × 5,097.05
4. Step 4: Simplify right side
   13,419.04x = 102,573,085.17
5. Step 5: Solve for x
   x = 102,573,085.17/13,419.04
6. Step 6: Final answer
   x = 7,643.85