Finding the Fourth Proportional to 139,285.02, 192,214.71 and 75,623.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,285.02 : 192,214.71 = 75,623.34 : x
2. Step 2: Convert to fraction form
   139,285.02/192,214.71 = 75,623.34/x
3. Step 3: Cross multiply
   139,285.02x = 192,214.71 × 75,623.34
4. Step 4: Simplify right side
   139,285.02x = 14,535,918,367.33
5. Step 5: Solve for x
   x = 14,535,918,367.33/139,285.02
6. Step 6: Final answer
   x = 104,360.96