Finding the Fourth Proportional to 139,333.76, 192,281.71 and 75,672.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,333.76 : 192,281.71 = 75,672.01 : x
2. Step 2: Convert to fraction form
   139,333.76/192,281.71 = 75,672.01/x
3. Step 3: Cross multiply
   139,333.76x = 192,281.71 × 75,672.01
4. Step 4: Simplify right side
   139,333.76x = 14,550,342,520.53
5. Step 5: Solve for x
   x = 14,550,342,520.53/139,333.76
6. Step 6: Final answer
   x = 104,427.98