Finding the Fourth Proportional to 59,361.32, 89,051.70 and 28,186.04

Step by Step Solution

1. Step 1: Write the proportion equation
   59,361.32 : 89,051.70 = 28,186.04 : x
2. Step 2: Convert to fraction form
   59,361.32/89,051.70 = 28,186.04/x
3. Step 3: Cross multiply
   59,361.32x = 89,051.70 × 28,186.04
4. Step 4: Simplify right side
   59,361.32x = 2,510,014,778.27
5. Step 5: Solve for x
   x = 2,510,014,778.27/59,361.32
6. Step 6: Final answer
   x = 42,283.68