Finding the Fourth Proportional to 52,667.14, 79,009.08 and 21,077.14

Step by Step Solution

1. Step 1: Write the proportion equation
   52,667.14 : 79,009.08 = 21,077.14 : x
2. Step 2: Convert to fraction form
   52,667.14/79,009.08 = 21,077.14/x
3. Step 3: Cross multiply
   52,667.14x = 79,009.08 × 21,077.14
4. Step 4: Simplify right side
   52,667.14x = 1,665,285,440.43
5. Step 5: Solve for x
   x = 1,665,285,440.43/52,667.14
6. Step 6: Final answer
   x = 31,619.06