Finding the Fourth Proportional to 139,050.96, 191,889.72 and 75,388.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,050.96 : 191,889.72 = 75,388.56 : x
2. Step 2: Convert to fraction form
   139,050.96/191,889.72 = 75,388.56/x
3. Step 3: Cross multiply
   139,050.96x = 191,889.72 × 75,388.56
4. Step 4: Simplify right side
   139,050.96x = 14,466,289,669.60
5. Step 5: Solve for x
   x = 14,466,289,669.60/139,050.96
6. Step 6: Final answer
   x = 104,035.88