Finding the Fourth Proportional to 112,224.90, 168,259.59 and 42,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,224.90 : 168,259.59 = 42,085.38 : x
2. Step 2: Convert to fraction form
   112,224.90/168,259.59 = 42,085.38/x
3. Step 3: Cross multiply
   112,224.90x = 168,259.59 × 42,085.38
4. Step 4: Simplify right side
   112,224.90x = 7,081,268,783.79
5. Step 5: Solve for x
   x = 7,081,268,783.79/112,224.90
6. Step 6: Final answer
   x = 63,098.91