Finding the Fourth Proportional to 112,807.42, 169,211.52 and 28,567.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,807.42 : 169,211.52 = 28,567.56 : x
2. Step 2: Convert to fraction form
   112,807.42/169,211.52 = 28,567.56/x
3. Step 3: Cross multiply
   112,807.42x = 169,211.52 × 28,567.56
4. Step 4: Simplify right side
   112,807.42x = 4,833,960,250.29
5. Step 5: Solve for x
   x = 4,833,960,250.29/112,807.42
6. Step 6: Final answer
   x = 42,851.44