Finding the Fourth Proportional to 70,814.18, 106,196.52 and 20,881.02

Step by Step Solution

1. Step 1: Write the proportion equation
   70,814.18 : 106,196.52 = 20,881.02 : x
2. Step 2: Convert to fraction form
   70,814.18/106,196.52 = 20,881.02/x
3. Step 3: Cross multiply
   70,814.18x = 106,196.52 × 20,881.02
4. Step 4: Simplify right side
   70,814.18x = 2,217,491,658.05
5. Step 5: Solve for x
   x = 2,217,491,658.05/70,814.18
6. Step 6: Final answer
   x = 31,314.23