Finding the Fourth Proportional to 55,082.06, 82,406.82 and 42,507.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,082.06 : 82,406.82 = 42,507.08 : x
2. Step 2: Convert to fraction form
   55,082.06/82,406.82 = 42,507.08/x
3. Step 3: Cross multiply
   55,082.06x = 82,406.82 × 42,507.08
4. Step 4: Simplify right side
   55,082.06x = 3,502,873,290.29
5. Step 5: Solve for x
   x = 3,502,873,290.29/55,082.06
6. Step 6: Final answer
   x = 63,593.72