Finding the Fourth Proportional to 42,699.67, 64,004.86 and 14,610.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,699.67 : 64,004.86 = 14,610.29 : x
2. Step 2: Convert to fraction form
   42,699.67/64,004.86 = 14,610.29/x
3. Step 3: Cross multiply
   42,699.67x = 64,004.86 × 14,610.29
4. Step 4: Simplify right side
   42,699.67x = 935,129,566.01
5. Step 5: Solve for x
   x = 935,129,566.01/42,699.67
6. Step 6: Final answer
   x = 21,900.16