Finding the Fourth Proportional to 56,395.71, 77,826.10 and 30,901.87

Step by Step Solution

1. Step 1: Write the proportion equation
   56,395.71 : 77,826.10 = 30,901.87 : x
2. Step 2: Convert to fraction form
   56,395.71/77,826.10 = 30,901.87/x
3. Step 3: Cross multiply
   56,395.71x = 77,826.10 × 30,901.87
4. Step 4: Simplify right side
   56,395.71x = 2,404,971,481.17
5. Step 5: Solve for x
   x = 2,404,971,481.17/56,395.71
6. Step 6: Final answer
   x = 42,644.58