Finding the Fourth Proportional to 40,735.89, 56,156.64 and 28,599.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,735.89 : 56,156.64 = 28,599.42 : x
2. Step 2: Convert to fraction form
   40,735.89/56,156.64 = 28,599.42/x
3. Step 3: Cross multiply
   40,735.89x = 56,156.64 × 28,599.42
4. Step 4: Simplify right side
   40,735.89x = 1,606,047,333.15
5. Step 5: Solve for x
   x = 1,606,047,333.15/40,735.89
6. Step 6: Final answer
   x = 39,425.86