Finding the Fourth Proportional to 42,749.59, 64,141.44 and 17,806.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,749.59 : 64,141.44 = 17,806.84 : x
2. Step 2: Convert to fraction form
   42,749.59/64,141.44 = 17,806.84/x
3. Step 3: Cross multiply
   42,749.59x = 64,141.44 × 17,806.84
4. Step 4: Simplify right side
   42,749.59x = 1,142,156,359.45
5. Step 5: Solve for x
   x = 1,142,156,359.45/42,749.59
6. Step 6: Final answer
   x = 26,717.36