Finding the Fourth Proportional to 42,662.84, 64,001.86 and 14,586.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.84 : 64,001.86 = 14,586.02 : x
2. Step 2: Convert to fraction form
   42,662.84/64,001.86 = 14,586.02/x
3. Step 3: Cross multiply
   42,662.84x = 64,001.86 × 14,586.02
4. Step 4: Simplify right side
   42,662.84x = 933,532,017.06
5. Step 5: Solve for x
   x = 933,532,017.06/42,662.84
6. Step 6: Final answer
   x = 21,881.62