Finding the Fourth Proportional to 139,050.14, 191,889.41 and 75,388.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,050.14 : 191,889.41 = 75,388.10 : x
2. Step 2: Convert to fraction form
   139,050.14/191,889.41 = 75,388.10/x
3. Step 3: Cross multiply
   139,050.14x = 191,889.41 × 75,388.10
4. Step 4: Simplify right side
   139,050.14x = 14,466,176,693.63
5. Step 5: Solve for x
   x = 14,466,176,693.63/139,050.14
6. Step 6: Final answer
   x = 104,035.69