Finding the Fourth Proportional to 56,056.39, 77,357.84 and 30,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,056.39 : 77,357.84 = 30,562.72 : x
2. Step 2: Convert to fraction form
   56,056.39/77,357.84 = 30,562.72/x
3. Step 3: Cross multiply
   56,056.39x = 77,357.84 × 30,562.72
4. Step 4: Simplify right side
   56,056.39x = 2,364,265,657.52
5. Step 5: Solve for x
   x = 2,364,265,657.52/56,056.39
6. Step 6: Final answer
   x = 42,176.56