Finding the Fourth Proportional to 42,337.73, 63,495.61 and 20,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,337.73 : 63,495.61 = 20,106.88 : x
2. Step 2: Convert to fraction form
   42,337.73/63,495.61 = 20,106.88/x
3. Step 3: Cross multiply
   42,337.73x = 63,495.61 × 20,106.88
4. Step 4: Simplify right side
   42,337.73x = 1,276,698,401.79
5. Step 5: Solve for x
   x = 1,276,698,401.79/42,337.73
6. Step 6: Final answer
   x = 30,155.10