Finding the Fourth Proportional to 113,463.76, 170,196.48 and 42,402.46

Step by Step Solution

1. Step 1: Write the proportion equation
   113,463.76 : 170,196.48 = 42,402.46 : x
2. Step 2: Convert to fraction form
   113,463.76/170,196.48 = 42,402.46/x
3. Step 3: Cross multiply
   113,463.76x = 170,196.48 × 42,402.46
4. Step 4: Simplify right side
   113,463.76x = 7,216,749,435.34
5. Step 5: Solve for x
   x = 7,216,749,435.34/113,463.76
6. Step 6: Final answer
   x = 63,604.00