Finding the Fourth Proportional to 139,498.34, 192,500.35 and 75,835.85

Step by Step Solution

1. Step 1: Write the proportion equation
   139,498.34 : 192,500.35 = 75,835.85 : x
2. Step 2: Convert to fraction form
   139,498.34/192,500.35 = 75,835.85/x
3. Step 3: Cross multiply
   139,498.34x = 192,500.35 × 75,835.85
4. Step 4: Simplify right side
   139,498.34x = 14,598,426,515.46
5. Step 5: Solve for x
   x = 14,598,426,515.46/139,498.34
6. Step 6: Final answer
   x = 104,649.47