Finding the Fourth Proportional to 19,892.05, 29,835.85 and 5,101.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892.05 : 29,835.85 = 5,101.31 : x
2. Step 2: Convert to fraction form
   19,892.05/29,835.85 = 5,101.31/x
3. Step 3: Cross multiply
   19,892.05x = 29,835.85 × 5,101.31
4. Step 4: Simplify right side
   19,892.05x = 152,201,919.96
5. Step 5: Solve for x
   x = 152,201,919.96/19,892.05
6. Step 6: Final answer
   x = 7,651.39