Finding the Fourth Proportional to 42,847.23, 64,276.83 and 17,881.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,847.23 : 64,276.83 = 17,881.56 : x
2. Step 2: Convert to fraction form
   42,847.23/64,276.83 = 17,881.56/x
3. Step 3: Cross multiply
   42,847.23x = 64,276.83 × 17,881.56
4. Step 4: Simplify right side
   42,847.23x = 1,149,369,947.55
5. Step 5: Solve for x
   x = 1,149,369,947.55/42,847.23
6. Step 6: Final answer
   x = 26,824.84