Finding the Fourth Proportional to 109,787.78, 151,507.25 and 59,486.78

Step by Step Solution

1. Step 1: Write the proportion equation
   109,787.78 : 151,507.25 = 59,486.78 : x
2. Step 2: Convert to fraction form
   109,787.78/151,507.25 = 59,486.78/x
3. Step 3: Cross multiply
   109,787.78x = 151,507.25 × 59,486.78
4. Step 4: Simplify right side
   109,787.78x = 9,012,678,151.72
5. Step 5: Solve for x
   x = 9,012,678,151.72/109,787.78
6. Step 6: Final answer
   x = 82,091.82