Finding the Fourth Proportional to 139,533.32, 192,554.96 and 75,871.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,533.32 : 192,554.96 = 75,871.10 : x
2. Step 2: Convert to fraction form
   139,533.32/192,554.96 = 75,871.10/x
3. Step 3: Cross multiply
   139,533.32x = 192,554.96 × 75,871.10
4. Step 4: Simplify right side
   139,533.32x = 14,609,356,727.69
5. Step 5: Solve for x
   x = 14,609,356,727.69/139,533.32
6. Step 6: Final answer
   x = 104,701.56