Finding the Fourth Proportional to 109,978.42, 151,772.97 and 59,677.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,978.42 : 151,772.97 = 59,677.30 : x
2. Step 2: Convert to fraction form
   109,978.42/151,772.97 = 59,677.30/x
3. Step 3: Cross multiply
   109,978.42x = 151,772.97 × 59,677.30
4. Step 4: Simplify right side
   109,978.42x = 9,057,401,062.58
5. Step 5: Solve for x
   x = 9,057,401,062.58/109,978.42
6. Step 6: Final answer
   x = 82,356.17