Finding the Fourth Proportional to 101,994.53, 140,693.82 and 63,687.57

Step by Step Solution

1. Step 1: Write the proportion equation
   101,994.53 : 140,693.82 = 63,687.57 : x
2. Step 2: Convert to fraction form
   101,994.53/140,693.82 = 63,687.57/x
3. Step 3: Cross multiply
   101,994.53x = 140,693.82 × 63,687.57
4. Step 4: Simplify right side
   101,994.53x = 8,960,447,509.82
5. Step 5: Solve for x
   x = 8,960,447,509.82/101,994.53
6. Step 6: Final answer
   x = 87,852.24