Finding the Fourth Proportional to 42,735.77, 64,048.17 and 17,405.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,735.77 : 64,048.17 = 17,405.74 : x
2. Step 2: Convert to fraction form
   42,735.77/64,048.17 = 17,405.74/x
3. Step 3: Cross multiply
   42,735.77x = 64,048.17 × 17,405.74
4. Step 4: Simplify right side
   42,735.77x = 1,114,806,098.43
5. Step 5: Solve for x
   x = 1,114,806,098.43/42,735.77
6. Step 6: Final answer
   x = 26,086.02