Finding the Fourth Proportional to 42,677.51, 64,024.47 and 16,380.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,677.51 : 64,024.47 = 16,380.18 : x
2. Step 2: Convert to fraction form
   42,677.51/64,024.47 = 16,380.18/x
3. Step 3: Cross multiply
   42,677.51x = 64,024.47 × 16,380.18
4. Step 4: Simplify right side
   42,677.51x = 1,048,732,343.00
5. Step 5: Solve for x
   x = 1,048,732,343.00/42,677.51
6. Step 6: Final answer
   x = 24,573.42