Finding the Fourth Proportional to 70,404.23, 105,606.56 and 17,813.70

Step by Step Solution

1. Step 1: Write the proportion equation
   70,404.23 : 105,606.56 = 17,813.70 : x
2. Step 2: Convert to fraction form
   70,404.23/105,606.56 = 17,813.70/x
3. Step 3: Cross multiply
   70,404.23x = 105,606.56 × 17,813.70
4. Step 4: Simplify right side
   70,404.23x = 1,881,243,488.80
5. Step 5: Solve for x
   x = 1,881,243,488.80/70,404.23
6. Step 6: Final answer
   x = 26,720.61