Finding the Fourth Proportional to 42,670.58, 63,978.48 and 17,727.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,670.58 : 63,978.48 = 17,727.86 : x
2. Step 2: Convert to fraction form
   42,670.58/63,978.48 = 17,727.86/x
3. Step 3: Cross multiply
   42,670.58x = 63,978.48 × 17,727.86
4. Step 4: Simplify right side
   42,670.58x = 1,134,201,536.45
5. Step 5: Solve for x
   x = 1,134,201,536.45/42,670.58
6. Step 6: Final answer
   x = 26,580.41