Finding the Fourth Proportional to 70,404.73, 105,607.31 and 17,814.20

Step by Step Solution

1. Step 1: Write the proportion equation
   70,404.73 : 105,607.31 = 17,814.20 : x
2. Step 2: Convert to fraction form
   70,404.73/105,607.31 = 17,814.20/x
3. Step 3: Cross multiply
   70,404.73x = 105,607.31 × 17,814.20
4. Step 4: Simplify right side
   70,404.73x = 1,881,309,652.73
5. Step 5: Solve for x
   x = 1,881,309,652.73/70,404.73
6. Step 6: Final answer
   x = 26,721.36