Finding the Fourth Proportional to 109,559.09, 151,191.56 and 59,258.09

Step by Step Solution

1. Step 1: Write the proportion equation
   109,559.09 : 151,191.56 = 59,258.09 : x
2. Step 2: Convert to fraction form
   109,559.09/151,191.56 = 59,258.09/x
3. Step 3: Cross multiply
   109,559.09x = 151,191.56 × 59,258.09
4. Step 4: Simplify right side
   109,559.09x = 8,959,323,069.72
5. Step 5: Solve for x
   x = 8,959,323,069.72/109,559.09
6. Step 6: Final answer
   x = 81,776.17