Finding the Fourth Proportional to 68,100.84, 102,167.62 and 21,353.72

Step by Step Solution

1. Step 1: Write the proportion equation
   68,100.84 : 102,167.62 = 21,353.72 : x
2. Step 2: Convert to fraction form
   68,100.84/102,167.62 = 21,353.72/x
3. Step 3: Cross multiply
   68,100.84x = 102,167.62 × 21,353.72
4. Step 4: Simplify right side
   68,100.84x = 2,181,658,750.55
5. Step 5: Solve for x
   x = 2,181,658,750.55/68,100.84
6. Step 6: Final answer
   x = 32,035.71