Finding the Fourth Proportional to 113,854.88, 170,694.32 and 42,776.01

Step by Step Solution

1. Step 1: Write the proportion equation
   113,854.88 : 170,694.32 = 42,776.01 : x
2. Step 2: Convert to fraction form
   113,854.88/170,694.32 = 42,776.01/x
3. Step 3: Cross multiply
   113,854.88x = 170,694.32 × 42,776.01
4. Step 4: Simplify right side
   113,854.88x = 7,301,622,386.50
5. Step 5: Solve for x
   x = 7,301,622,386.50/113,854.88
6. Step 6: Final answer
   x = 64,130.96