Finding the Fourth Proportional to 76,985.78, 115,455.72 and 32,611.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,985.78 : 115,455.72 = 32,611.82 : x
2. Step 2: Convert to fraction form
   76,985.78/115,455.72 = 32,611.82/x
3. Step 3: Cross multiply
   76,985.78x = 115,455.72 × 32,611.82
4. Step 4: Simplify right side
   76,985.78x = 3,765,221,158.61
5. Step 5: Solve for x
   x = 3,765,221,158.61/76,985.78
6. Step 6: Final answer
   x = 48,908.01