Finding the Fourth Proportional to 113,678.04, 170,541.72 and 43,557.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,678.04 : 170,541.72 = 43,557.42 : x
2. Step 2: Convert to fraction form
   113,678.04/170,541.72 = 43,557.42/x
3. Step 3: Cross multiply
   113,678.04x = 170,541.72 × 43,557.42
4. Step 4: Simplify right side
   113,678.04x = 7,428,357,325.56
5. Step 5: Solve for x
   x = 7,428,357,325.56/113,678.04
6. Step 6: Final answer
   x = 65,345.58