Finding the Fourth Proportional to 67,914.55, 101,881.53 and 21,171.07

Step by Step Solution

1. Step 1: Write the proportion equation
   67,914.55 : 101,881.53 = 21,171.07 : x
2. Step 2: Convert to fraction form
   67,914.55/101,881.53 = 21,171.07/x
3. Step 3: Cross multiply
   67,914.55x = 101,881.53 × 21,171.07
4. Step 4: Simplify right side
   67,914.55x = 2,156,941,003.34
5. Step 5: Solve for x
   x = 2,156,941,003.34/67,914.55
6. Step 6: Final answer
   x = 31,759.63