Finding the Fourth Proportional to 112,238.06, 168,307.54 and 42,068.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,238.06 : 168,307.54 = 42,068.16 : x
2. Step 2: Convert to fraction form
   112,238.06/168,307.54 = 42,068.16/x
3. Step 3: Cross multiply
   112,238.06x = 168,307.54 × 42,068.16
4. Step 4: Simplify right side
   112,238.06x = 7,080,388,416.76
5. Step 5: Solve for x
   x = 7,080,388,416.76/112,238.06
6. Step 6: Final answer
   x = 63,083.67