Finding the Fourth Proportional to 123,994.32, 185,987.35 and 53,873.63

Step by Step Solution

1. Step 1: Write the proportion equation
   123,994.32 : 185,987.35 = 53,873.63 : x
2. Step 2: Convert to fraction form
   123,994.32/185,987.35 = 53,873.63/x
3. Step 3: Cross multiply
   123,994.32x = 185,987.35 × 53,873.63
4. Step 4: Simplify right side
   123,994.32x = 10,019,813,678.58
5. Step 5: Solve for x
   x = 10,019,813,678.58/123,994.32
6. Step 6: Final answer
   x = 80,808.65