Finding the Fourth Proportional to 19,800.18, 29,697.50 and 5,008.20

Step by Step Solution

1. Step 1: Write the proportion equation
   19,800.18 : 29,697.50 = 5,008.20 : x
2. Step 2: Convert to fraction form
   19,800.18/29,697.50 = 5,008.20/x
3. Step 3: Cross multiply
   19,800.18x = 29,697.50 × 5,008.20
4. Step 4: Simplify right side
   19,800.18x = 148,731,019.50
5. Step 5: Solve for x
   x = 148,731,019.50/19,800.18
6. Step 6: Final answer
   x = 7,511.60