Finding the Fourth Proportional to 37,665.78, 56,455.71 and 17,654.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,665.78 : 56,455.71 = 17,654.34 : x
2. Step 2: Convert to fraction form
   37,665.78/56,455.71 = 17,654.34/x
3. Step 3: Cross multiply
   37,665.78x = 56,455.71 × 17,654.34
4. Step 4: Simplify right side
   37,665.78x = 996,688,299.28
5. Step 5: Solve for x
   x = 996,688,299.28/37,665.78
6. Step 6: Final answer
   x = 26,461.37