Finding the Fourth Proportional to 139,154.58, 192,031.83 and 75,491.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,154.58 : 192,031.83 = 75,491.82 : x
2. Step 2: Convert to fraction form
   139,154.58/192,031.83 = 75,491.82/x
3. Step 3: Cross multiply
   139,154.58x = 192,031.83 × 75,491.82
4. Step 4: Simplify right side
   139,154.58x = 14,496,832,344.63
5. Step 5: Solve for x
   x = 14,496,832,344.63/139,154.58
6. Step 6: Final answer
   x = 104,177.90