Finding the Fourth Proportional to 113,069.96, 169,641.78 and 56,881.06

Step by Step Solution

1. Step 1: Write the proportion equation
   113,069.96 : 169,641.78 = 56,881.06 : x
2. Step 2: Convert to fraction form
   113,069.96/169,641.78 = 56,881.06/x
3. Step 3: Cross multiply
   113,069.96x = 169,641.78 × 56,881.06
4. Step 4: Simplify right side
   113,069.96x = 9,649,404,266.69
5. Step 5: Solve for x
   x = 9,649,404,266.69/113,069.96
6. Step 6: Final answer
   x = 85,340.12