Finding the Fourth Proportional to 112,147.68, 154,761.86 and 61,160.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,147.68 : 154,761.86 = 61,160.82 : x
2. Step 2: Convert to fraction form
   112,147.68/154,761.86 = 61,160.82/x
3. Step 3: Cross multiply
   112,147.68x = 154,761.86 × 61,160.82
4. Step 4: Simplify right side
   112,147.68x = 9,465,362,262.33
5. Step 5: Solve for x
   x = 9,465,362,262.33/112,147.68
6. Step 6: Final answer
   x = 84,400.87