Finding the Fourth Proportional to 19,802.18, 29,700.50 and 5,010.20

Step by Step Solution

1. Step 1: Write the proportion equation
   19,802.18 : 29,700.50 = 5,010.20 : x
2. Step 2: Convert to fraction form
   19,802.18/29,700.50 = 5,010.20/x
3. Step 3: Cross multiply
   19,802.18x = 29,700.50 × 5,010.20
4. Step 4: Simplify right side
   19,802.18x = 148,805,445.10
5. Step 5: Solve for x
   x = 148,805,445.10/19,802.18
6. Step 6: Final answer
   x = 7,514.60