Finding the Fourth Proportional to 123,994.32, 171,130.84 and 75,624.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,994.32 : 171,130.84 = 75,624.32 : x
2. Step 2: Convert to fraction form
   123,994.32/171,130.84 = 75,624.32/x
3. Step 3: Cross multiply
   123,994.32x = 171,130.84 × 75,624.32
4. Step 4: Simplify right side
   123,994.32x = 12,941,653,406.03
5. Step 5: Solve for x
   x = 12,941,653,406.03/123,994.32
6. Step 6: Final answer
   x = 104,372.95