Finding the Fourth Proportional to 56,395.05, 77,824.92 and 30,901.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,395.05 : 77,824.92 = 30,901.38 : x
2. Step 2: Convert to fraction form
   56,395.05/77,824.92 = 30,901.38/x
3. Step 3: Cross multiply
   56,395.05x = 77,824.92 × 30,901.38
4. Step 4: Simplify right side
   56,395.05x = 2,404,897,426.39
5. Step 5: Solve for x
   x = 2,404,897,426.39/56,395.05
6. Step 6: Final answer
   x = 42,643.77