Finding the Fourth Proportional to 42,726.43, 64,094.76 and 17,783.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,726.43 : 64,094.76 = 17,783.34 : x
2. Step 2: Convert to fraction form
   42,726.43/64,094.76 = 17,783.34/x
3. Step 3: Cross multiply
   42,726.43x = 64,094.76 × 17,783.34
4. Step 4: Simplify right side
   42,726.43x = 1,139,818,909.30
5. Step 5: Solve for x
   x = 1,139,818,909.30/42,726.43
6. Step 6: Final answer
   x = 26,677.14