Finding the Fourth Proportional to 112,796.48, 169,196.64 and 42,708.80

Step by Step Solution

1. Step 1: Write the proportion equation
   112,796.48 : 169,196.64 = 42,708.80 : x
2. Step 2: Convert to fraction form
   112,796.48/169,196.64 = 42,708.80/x
3. Step 3: Cross multiply
   112,796.48x = 169,196.64 × 42,708.80
4. Step 4: Simplify right side
   112,796.48x = 7,226,185,458.43
5. Step 5: Solve for x
   x = 7,226,185,458.43/112,796.48
6. Step 6: Final answer
   x = 64,063.93