Finding the Fourth Proportional to 42,070.14, 63,086.77 and 15,756.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,070.14 : 63,086.77 = 15,756.42 : x
2. Step 2: Convert to fraction form
   42,070.14/63,086.77 = 15,756.42/x
3. Step 3: Cross multiply
   42,070.14x = 63,086.77 × 15,756.42
4. Step 4: Simplify right side
   42,070.14x = 994,021,644.56
5. Step 5: Solve for x
   x = 994,021,644.56/42,070.14
6. Step 6: Final answer
   x = 23,627.72