Finding the Fourth Proportional to 70,436.12, 105,654.18 and 17,849.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,436.12 : 105,654.18 = 17,849.72 : x
2. Step 2: Convert to fraction form
   70,436.12/105,654.18 = 17,849.72/x
3. Step 3: Cross multiply
   70,436.12x = 105,654.18 × 17,849.72
4. Step 4: Simplify right side
   70,436.12x = 1,885,897,529.83
5. Step 5: Solve for x
   x = 1,885,897,529.83/70,436.12
6. Step 6: Final answer
   x = 26,774.58