Finding the Fourth Proportional to 139,002, 191,821.68 and 75,338.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,002 : 191,821.68 = 75,338.16 : x
2. Step 2: Convert to fraction form
   139,002/191,821.68 = 75,338.16/x
3. Step 3: Cross multiply
   139,002x = 191,821.68 × 75,338.16
4. Step 4: Simplify right side
   139,002x = 14,451,492,419.31
5. Step 5: Solve for x
   x = 14,451,492,419.31/139,002
6. Step 6: Final answer
   x = 103,966.08