Finding the Fourth Proportional to 42,667.02, 63,973.08 and 17,724.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.02 : 63,973.08 = 17,724.30 : x
2. Step 2: Convert to fraction form
   42,667.02/63,973.08 = 17,724.30/x
3. Step 3: Cross multiply
   42,667.02x = 63,973.08 × 17,724.30
4. Step 4: Simplify right side
   42,667.02x = 1,133,878,061.84
5. Step 5: Solve for x
   x = 1,133,878,061.84/42,667.02
6. Step 6: Final answer
   x = 26,575.05