Finding the Fourth Proportional to 112,651.10, 155,398.38 and 69,654.68

Step by Step Solution

1. Step 1: Write the proportion equation
   112,651.10 : 155,398.38 = 69,654.68 : x
2. Step 2: Convert to fraction form
   112,651.10/155,398.38 = 69,654.68/x
3. Step 3: Cross multiply
   112,651.10x = 155,398.38 × 69,654.68
4. Step 4: Simplify right side
   112,651.10x = 10,824,224,431.42
5. Step 5: Solve for x
   x = 10,824,224,431.42/112,651.10
6. Step 6: Final answer
   x = 96,086.27