Finding the Fourth Proportional to 42,697.67, 64,001.86 and 14,608.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,697.67 : 64,001.86 = 14,608.29 : x
2. Step 2: Convert to fraction form
   42,697.67/64,001.86 = 14,608.29/x
3. Step 3: Cross multiply
   42,697.67x = 64,001.86 × 14,608.29
4. Step 4: Simplify right side
   42,697.67x = 934,957,694.90
5. Step 5: Solve for x
   x = 934,957,694.90/42,697.67
6. Step 6: Final answer
   x = 21,897.16