Finding the Fourth Proportional to 123,607.87, 185,282.52 and 57,091.63

Step by Step Solution

1. Step 1: Write the proportion equation
   123,607.87 : 185,282.52 = 57,091.63 : x
2. Step 2: Convert to fraction form
   123,607.87/185,282.52 = 57,091.63/x
3. Step 3: Cross multiply
   123,607.87x = 185,282.52 × 57,091.63
4. Step 4: Simplify right side
   123,607.87x = 10,578,081,077.31
5. Step 5: Solve for x
   x = 10,578,081,077.31/123,607.87
6. Step 6: Final answer
   x = 85,577.73