Finding the Fourth Proportional to 42,926.32, 64,373.32 and 17,968.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,926.32 : 64,373.32 = 17,968.12 : x
2. Step 2: Convert to fraction form
   42,926.32/64,373.32 = 17,968.12/x
3. Step 3: Cross multiply
   42,926.32x = 64,373.32 × 17,968.12
4. Step 4: Simplify right side
   42,926.32x = 1,156,667,538.56
5. Step 5: Solve for x
   x = 1,156,667,538.56/42,926.32
6. Step 6: Final answer
   x = 26,945.42