Finding the Fourth Proportional to 70,443.84, 105,666.18 and 17,853.48

Step by Step Solution

1. Step 1: Write the proportion equation
   70,443.84 : 105,666.18 = 17,853.48 : x
2. Step 2: Convert to fraction form
   70,443.84/105,666.18 = 17,853.48/x
3. Step 3: Cross multiply
   70,443.84x = 105,666.18 × 17,853.48
4. Step 4: Simplify right side
   70,443.84x = 1,886,509,031.31
5. Step 5: Solve for x
   x = 1,886,509,031.31/70,443.84
6. Step 6: Final answer
   x = 26,780.33