Finding the Fourth Proportional to 42,035.90, 63,053.71 and 13,958.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,035.90 : 63,053.71 = 13,958.08 : x
2. Step 2: Convert to fraction form
   42,035.90/63,053.71 = 13,958.08/x
3. Step 3: Cross multiply
   42,035.90x = 63,053.71 × 13,958.08
4. Step 4: Simplify right side
   42,035.90x = 880,108,535.95
5. Step 5: Solve for x
   x = 880,108,535.95/42,035.90
6. Step 6: Final answer
   x = 20,937.07