Finding the Fourth Proportional to 42,884.73, 64,308.86 and 17,566.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,884.73 : 64,308.86 = 17,566.79 : x
2. Step 2: Convert to fraction form
   42,884.73/64,308.86 = 17,566.79/x
3. Step 3: Cross multiply
   42,884.73x = 64,308.86 × 17,566.79
4. Step 4: Simplify right side
   42,884.73x = 1,129,700,238.76
5. Step 5: Solve for x
   x = 1,129,700,238.76/42,884.73
6. Step 6: Final answer
   x = 26,342.72