Finding the Fourth Proportional to 42,401.10, 63,559.80 and 23,690.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401.10 : 63,559.80 = 23,690.10 : x
2. Step 2: Convert to fraction form
   42,401.10/63,559.80 = 23,690.10/x
3. Step 3: Cross multiply
   42,401.10x = 63,559.80 × 23,690.10
4. Step 4: Simplify right side
   42,401.10x = 1,505,738,017.98
5. Step 5: Solve for x
   x = 1,505,738,017.98/42,401.10
6. Step 6: Final answer
   x = 35,511.77