Finding the Fourth Proportional to 139,473.22, 192,500.88 and 88,546.60

Step by Step Solution

1. Step 1: Write the proportion equation
   139,473.22 : 192,500.88 = 88,546.60 : x
2. Step 2: Convert to fraction form
   139,473.22/192,500.88 = 88,546.60/x
3. Step 3: Cross multiply
   139,473.22x = 192,500.88 × 88,546.60
4. Step 4: Simplify right side
   139,473.22x = 17,045,298,421.01
5. Step 5: Solve for x
   x = 17,045,298,421.01/139,473.22
6. Step 6: Final answer
   x = 122,211.98