Finding the Fourth Proportional to 42,923.13, 64,362.82 and 17,956.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923.13 : 64,362.82 = 17,956.41 : x
2. Step 2: Convert to fraction form
   42,923.13/64,362.82 = 17,956.41/x
3. Step 3: Cross multiply
   42,923.13x = 64,362.82 × 17,956.41
4. Step 4: Simplify right side
   42,923.13x = 1,155,725,184.68
5. Step 5: Solve for x
   x = 1,155,725,184.68/42,923.13
6. Step 6: Final answer
   x = 26,925.46