Finding the Fourth Proportional to 109,372.54, 164,072.48 and 42,804.06

Step by Step Solution

1. Step 1: Write the proportion equation
   109,372.54 : 164,072.48 = 42,804.06 : x
2. Step 2: Convert to fraction form
   109,372.54/164,072.48 = 42,804.06/x
3. Step 3: Cross multiply
   109,372.54x = 164,072.48 × 42,804.06
4. Step 4: Simplify right side
   109,372.54x = 7,022,968,278.27
5. Step 5: Solve for x
   x = 7,022,968,278.27/109,372.54
6. Step 6: Final answer
   x = 64,211.44