Finding the Fourth Proportional to 112,808.42, 169,213.03 and 28,568.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,808.42 : 169,213.03 = 28,568.56 : x
2. Step 2: Convert to fraction form
   112,808.42/169,213.03 = 28,568.56/x
3. Step 3: Cross multiply
   112,808.42x = 169,213.03 × 28,568.56
4. Step 4: Simplify right side
   112,808.42x = 4,834,172,600.34
5. Step 5: Solve for x
   x = 4,834,172,600.34/112,808.42
6. Step 6: Final answer
   x = 42,852.94