Finding the Fourth Proportional to 56,469.34, 77,922.57 and 30,974.59

Step by Step Solution

1. Step 1: Write the proportion equation
   56,469.34 : 77,922.57 = 30,974.59 : x
2. Step 2: Convert to fraction form
   56,469.34/77,922.57 = 30,974.59/x
3. Step 3: Cross multiply
   56,469.34x = 77,922.57 × 30,974.59
4. Step 4: Simplify right side
   56,469.34x = 2,413,619,657.50
5. Step 5: Solve for x
   x = 2,413,619,657.50/56,469.34
6. Step 6: Final answer
   x = 42,742.13