Finding the Fourth Proportional to 112,315.08, 168,469.71 and 45,755.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,315.08 : 168,469.71 = 45,755.10 : x
2. Step 2: Convert to fraction form
   112,315.08/168,469.71 = 45,755.10/x
3. Step 3: Cross multiply
   112,315.08x = 168,469.71 × 45,755.10
4. Step 4: Simplify right side
   112,315.08x = 7,708,348,428.02
5. Step 5: Solve for x
   x = 7,708,348,428.02/112,315.08
6. Step 6: Final answer
   x = 68,631.46