Finding the Fourth Proportional to 42,758.06, 64,146.56 and 14,677.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,758.06 : 64,146.56 = 14,677.49 : x
2. Step 2: Convert to fraction form
   42,758.06/64,146.56 = 14,677.49/x
3. Step 3: Cross multiply
   42,758.06x = 64,146.56 × 14,677.49
4. Step 4: Simplify right side
   42,758.06x = 941,510,492.93
5. Step 5: Solve for x
   x = 941,510,492.93/42,758.06
6. Step 6: Final answer
   x = 22,019.49