Finding the Fourth Proportional to 70,139.49, 105,209.52 and 17,548.83

Step by Step Solution

1. Step 1: Write the proportion equation
   70,139.49 : 105,209.52 = 17,548.83 : x
2. Step 2: Convert to fraction form
   70,139.49/105,209.52 = 17,548.83/x
3. Step 3: Cross multiply
   70,139.49x = 105,209.52 × 17,548.83
4. Step 4: Simplify right side
   70,139.49x = 1,846,303,980.86
5. Step 5: Solve for x
   x = 1,846,303,980.86/70,139.49
6. Step 6: Final answer
   x = 26,323.32