Finding the Fourth Proportional to 42,771.23, 64,151.37 and 17,806.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,771.23 : 64,151.37 = 17,806.62 : x
2. Step 2: Convert to fraction form
   42,771.23/64,151.37 = 17,806.62/x
3. Step 3: Cross multiply
   42,771.23x = 64,151.37 × 17,806.62
4. Step 4: Simplify right side
   42,771.23x = 1,142,319,068.07
5. Step 5: Solve for x
   x = 1,142,319,068.07/42,771.23
6. Step 6: Final answer
   x = 26,707.65