Finding the Fourth Proportional to 42,775.17, 64,173.69 and 17,806.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,775.17 : 64,173.69 = 17,806.92 : x
2. Step 2: Convert to fraction form
   42,775.17/64,173.69 = 17,806.92/x
3. Step 3: Cross multiply
   42,775.17x = 64,173.69 × 17,806.92
4. Step 4: Simplify right side
   42,775.17x = 1,142,735,763.93
5. Step 5: Solve for x
   x = 1,142,735,763.93/42,775.17
6. Step 6: Final answer
   x = 26,714.93