Finding the Fourth Proportional to 113,580.09, 170,261.65 and 42,483.45

Step by Step Solution

1. Step 1: Write the proportion equation
   113,580.09 : 170,261.65 = 42,483.45 : x
2. Step 2: Convert to fraction form
   113,580.09/170,261.65 = 42,483.45/x
3. Step 3: Cross multiply
   113,580.09x = 170,261.65 × 42,483.45
4. Step 4: Simplify right side
   113,580.09x = 7,233,302,747.31
5. Step 5: Solve for x
   x = 7,233,302,747.31/113,580.09
6. Step 6: Final answer
   x = 63,684.60