Finding the Fourth Proportional to 56,868.82, 85,300.16 and 17,426.05

Step by Step Solution

1. Step 1: Write the proportion equation
   56,868.82 : 85,300.16 = 17,426.05 : x
2. Step 2: Convert to fraction form
   56,868.82/85,300.16 = 17,426.05/x
3. Step 3: Cross multiply
   56,868.82x = 85,300.16 × 17,426.05
4. Step 4: Simplify right side
   56,868.82x = 1,486,444,853.17
5. Step 5: Solve for x
   x = 1,486,444,853.17/56,868.82
6. Step 6: Final answer
   x = 26,138.13