Finding the Fourth Proportional to 113,858.10, 170,787.15 and 101,064.15

Step by Step Solution

1. Step 1: Write the proportion equation
   113,858.10 : 170,787.15 = 101,064.15 : x
2. Step 2: Convert to fraction form
   113,858.10/170,787.15 = 101,064.15/x
3. Step 3: Cross multiply
   113,858.10x = 170,787.15 × 101,064.15
4. Step 4: Simplify right side
   113,858.10x = 17,260,458,145.67
5. Step 5: Solve for x
   x = 17,260,458,145.67/113,858.10
6. Step 6: Final answer
   x = 151,596.23