Finding the Fourth Proportional to 70,567.78, 105,769.59 and 26,160.34

Step by Step Solution

1. Step 1: Write the proportion equation
   70,567.78 : 105,769.59 = 26,160.34 : x
2. Step 2: Convert to fraction form
   70,567.78/105,769.59 = 26,160.34/x
3. Step 3: Cross multiply
   70,567.78x = 105,769.59 × 26,160.34
4. Step 4: Simplify right side
   70,567.78x = 2,766,968,436.06
5. Step 5: Solve for x
   x = 2,766,968,436.06/70,567.78
6. Step 6: Final answer
   x = 39,210.08