Finding the Fourth Proportional to 70,335.18, 105,502.86 and 17,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,335.18 : 105,502.86 = 17,748.72 : x
2. Step 2: Convert to fraction form
   70,335.18/105,502.86 = 17,748.72/x
3. Step 3: Cross multiply
   70,335.18x = 105,502.86 × 17,748.72
4. Step 4: Simplify right side
   70,335.18x = 1,872,540,721.34
5. Step 5: Solve for x
   x = 1,872,540,721.34/70,335.18
6. Step 6: Final answer
   x = 26,623.10