Finding the Fourth Proportional to 139,756.18, 192,890.84 and 88,828.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,756.18 : 192,890.84 = 88,828.24 : x
2. Step 2: Convert to fraction form
   139,756.18/192,890.84 = 88,828.24/x
3. Step 3: Cross multiply
   139,756.18x = 192,890.84 × 88,828.24
4. Step 4: Simplify right side
   139,756.18x = 17,134,153,829.32
5. Step 5: Solve for x
   x = 17,134,153,829.32/139,756.18
6. Step 6: Final answer
   x = 122,600.33