Finding the Fourth Proportional to 42,696.78, 64,053.81 and 14,996.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,696.78 : 64,053.81 = 14,996.94 : x
2. Step 2: Convert to fraction form
   42,696.78/64,053.81 = 14,996.94/x
3. Step 3: Cross multiply
   42,696.78x = 64,053.81 × 14,996.94
4. Step 4: Simplify right side
   42,696.78x = 960,611,145.34
5. Step 5: Solve for x
   x = 960,611,145.34/42,696.78
6. Step 6: Final answer
   x = 22,498.44