Finding the Fourth Proportional to 28,100.58, 42,146.62 and 10,566.32

Step by Step Solution

1. Step 1: Write the proportion equation
   28,100.58 : 42,146.62 = 10,566.32 : x
2. Step 2: Convert to fraction form
   28,100.58/42,146.62 = 10,566.32/x
3. Step 3: Cross multiply
   28,100.58x = 42,146.62 × 10,566.32
4. Step 4: Simplify right side
   28,100.58x = 445,334,673.84
5. Step 5: Solve for x
   x = 445,334,673.84/28,100.58
6. Step 6: Final answer
   x = 15,847.88