Finding the Fourth Proportional to 56,667.96, 85,000.98 and 19,731

Step by Step Solution

1. Step 1: Write the proportion equation
   56,667.96 : 85,000.98 = 19,731 : x
2. Step 2: Convert to fraction form
   56,667.96/85,000.98 = 19,731/x
3. Step 3: Cross multiply
   56,667.96x = 85,000.98 × 19,731
4. Step 4: Simplify right side
   56,667.96x = 1,677,154,336.38
5. Step 5: Solve for x
   x = 1,677,154,336.38/56,667.96
6. Step 6: Final answer
   x = 29,596.17