Finding the Fourth Proportional to 70,179.48, 105,275.85 and 19,581.86

Step by Step Solution

1. Step 1: Write the proportion equation
   70,179.48 : 105,275.85 = 19,581.86 : x
2. Step 2: Convert to fraction form
   70,179.48/105,275.85 = 19,581.86/x
3. Step 3: Cross multiply
   70,179.48x = 105,275.85 × 19,581.86
4. Step 4: Simplify right side
   70,179.48x = 2,061,496,429.70
5. Step 5: Solve for x
   x = 2,061,496,429.70/70,179.48
6. Step 6: Final answer
   x = 29,374.63