Finding the Fourth Proportional to 22,602, 31,190.76 and 13,770

Step by Step Solution

1. Step 1: Write the proportion equation
   22,602 : 31,190.76 = 13,770 : x
2. Step 2: Convert to fraction form
   22,602/31,190.76 = 13,770/x
3. Step 3: Cross multiply
   22,602x = 31,190.76 × 13,770
4. Step 4: Simplify right side
   22,602x = 429,496,765.20
5. Step 5: Solve for x
   x = 429,496,765.20/22,602
6. Step 6: Final answer
   x = 19,002.60