Finding the Fourth Proportional to 109,410.39, 150,986.36 and 59,109.39

Step by Step Solution

1. Step 1: Write the proportion equation
   109,410.39 : 150,986.36 = 59,109.39 : x
2. Step 2: Convert to fraction form
   109,410.39/150,986.36 = 59,109.39/x
3. Step 3: Cross multiply
   109,410.39x = 150,986.36 × 59,109.39
4. Step 4: Simplify right side
   109,410.39x = 8,924,711,785.69
5. Step 5: Solve for x
   x = 8,924,711,785.69/109,410.39
6. Step 6: Final answer
   x = 81,570.97