Finding the Fourth Proportional to 113,443, 170,145.82 and 42,346.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,443 : 170,145.82 = 42,346.98 : x
2. Step 2: Convert to fraction form
   113,443/170,145.82 = 42,346.98/x
3. Step 3: Cross multiply
   113,443x = 170,145.82 × 42,346.98
4. Step 4: Simplify right side
   113,443x = 7,205,161,636.62
5. Step 5: Solve for x
   x = 7,205,161,636.62/113,443
6. Step 6: Final answer
   x = 63,513.50