Finding the Fourth Proportional to 56,049.82, 77,349.28 and 30,900.22

Step by Step Solution

1. Step 1: Write the proportion equation
   56,049.82 : 77,349.28 = 30,900.22 : x
2. Step 2: Convert to fraction form
   56,049.82/77,349.28 = 30,900.22/x
3. Step 3: Cross multiply
   56,049.82x = 77,349.28 × 30,900.22
4. Step 4: Simplify right side
   56,049.82x = 2,390,109,768.84
5. Step 5: Solve for x
   x = 2,390,109,768.84/56,049.82
6. Step 6: Final answer
   x = 42,642.59