Finding the Fourth Proportional to 21,051.30, 31,577.76 and 5,468.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,051.30 : 31,577.76 = 5,468.52 : x
2. Step 2: Convert to fraction form
   21,051.30/31,577.76 = 5,468.52/x
3. Step 3: Cross multiply
   21,051.30x = 31,577.76 × 5,468.52
4. Step 4: Simplify right side
   21,051.30x = 172,683,612.12
5. Step 5: Solve for x
   x = 172,683,612.12/21,051.30
6. Step 6: Final answer
   x = 8,202.99