Finding the Fourth Proportional to 139,216.26, 192,118.59 and 75,554.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,216.26 : 192,118.59 = 75,554.10 : x
2. Step 2: Convert to fraction form
   139,216.26/192,118.59 = 75,554.10/x
3. Step 3: Cross multiply
   139,216.26x = 192,118.59 × 75,554.10
4. Step 4: Simplify right side
   139,216.26x = 14,515,347,160.72
5. Step 5: Solve for x
   x = 14,515,347,160.72/139,216.26
6. Step 6: Final answer
   x = 104,264.74