Finding the Fourth Proportional to 19,762.50, 29,633.52 and 7,278.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,762.50 : 29,633.52 = 7,278.18 : x
2. Step 2: Convert to fraction form
   19,762.50/29,633.52 = 7,278.18/x
3. Step 3: Cross multiply
   19,762.50x = 29,633.52 × 7,278.18
4. Step 4: Simplify right side
   19,762.50x = 215,678,092.59
5. Step 5: Solve for x
   x = 215,678,092.59/19,762.50
6. Step 6: Final answer
   x = 10,913.50