Finding the Fourth Proportional to 42,745.48, 64,123.40 and 17,802.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,745.48 : 64,123.40 = 17,802.44 : x
2. Step 2: Convert to fraction form
   42,745.48/64,123.40 = 17,802.44/x
3. Step 3: Cross multiply
   42,745.48x = 64,123.40 × 17,802.44
4. Step 4: Simplify right side
   42,745.48x = 1,141,552,981.10
5. Step 5: Solve for x
   x = 1,141,552,981.10/42,745.48
6. Step 6: Final answer
   x = 26,705.82