Finding the Fourth Proportional to 42,369.69, 63,515.29 and 15,700.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,369.69 : 63,515.29 = 15,700.83 : x
2. Step 2: Convert to fraction form
   42,369.69/63,515.29 = 15,700.83/x
3. Step 3: Cross multiply
   42,369.69x = 63,515.29 × 15,700.83
4. Step 4: Simplify right side
   42,369.69x = 997,242,770.69
5. Step 5: Solve for x
   x = 997,242,770.69/42,369.69
6. Step 6: Final answer
   x = 23,536.70