Finding the Fourth Proportional to 19,662.61, 29,493.73 and 7,973.05

Step by Step Solution

1. Step 1: Write the proportion equation
   19,662.61 : 29,493.73 = 7,973.05 : x
2. Step 2: Convert to fraction form
   19,662.61/29,493.73 = 7,973.05/x
3. Step 3: Cross multiply
   19,662.61x = 29,493.73 × 7,973.05
4. Step 4: Simplify right side
   19,662.61x = 235,154,983.98
5. Step 5: Solve for x
   x = 235,154,983.98/19,662.61
6. Step 6: Final answer
   x = 11,959.50