Finding the Fourth Proportional to 42,773.46, 64,125.53 and 17,832.21

Step by Step Solution

1. Step 1: Write the proportion equation
   42,773.46 : 64,125.53 = 17,832.21 : x
2. Step 2: Convert to fraction form
   42,773.46/64,125.53 = 17,832.21/x
3. Step 3: Cross multiply
   42,773.46x = 64,125.53 × 17,832.21
4. Step 4: Simplify right side
   42,773.46x = 1,143,499,917.32
5. Step 5: Solve for x
   x = 1,143,499,917.32/42,773.46
6. Step 6: Final answer
   x = 26,733.87