Finding the Fourth Proportional to 42,670.83, 64,019.93 and 17,722.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,670.83 : 64,019.93 = 17,722.83 : x
2. Step 2: Convert to fraction form
   42,670.83/64,019.93 = 17,722.83/x
3. Step 3: Cross multiply
   42,670.83x = 64,019.93 × 17,722.83
4. Step 4: Simplify right side
   42,670.83x = 1,134,614,247.39
5. Step 5: Solve for x
   x = 1,134,614,247.39/42,670.83
6. Step 6: Final answer
   x = 26,589.93