Finding the Fourth Proportional to 112,256.32, 168,334.92 and 42,086.44

Step by Step Solution

1. Step 1: Write the proportion equation
   112,256.32 : 168,334.92 = 42,086.44 : x
2. Step 2: Convert to fraction form
   112,256.32/168,334.92 = 42,086.44/x
3. Step 3: Cross multiply
   112,256.32x = 168,334.92 × 42,086.44
4. Step 4: Simplify right side
   112,256.32x = 7,084,617,510.48
5. Step 5: Solve for x
   x = 7,084,617,510.48/112,256.32
6. Step 6: Final answer
   x = 63,111.08