Finding the Fourth Proportional to 112,227.09, 168,416.86 and 45,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   112,227.09 : 168,416.86 = 45,679.31 : x
2. Step 2: Convert to fraction form
   112,227.09/168,416.86 = 45,679.31/x
3. Step 3: Cross multiply
   112,227.09x = 168,416.86 × 45,679.31
4. Step 4: Simplify right side
   112,227.09x = 7,693,165,957.17
5. Step 5: Solve for x
   x = 7,693,165,957.17/112,227.09
6. Step 6: Final answer
   x = 68,549.99