Finding the Fourth Proportional to 139,772.34, 209,483.48 and 110,072.88

Step by Step Solution

1. Step 1: Write the proportion equation
   139,772.34 : 209,483.48 = 110,072.88 : x
2. Step 2: Convert to fraction form
   139,772.34/209,483.48 = 110,072.88/x
3. Step 3: Cross multiply
   139,772.34x = 209,483.48 × 110,072.88
4. Step 4: Simplify right side
   139,772.34x = 23,058,449,956.02
5. Step 5: Solve for x
   x = 23,058,449,956.02/139,772.34
6. Step 6: Final answer
   x = 164,971.48