Finding the Fourth Proportional to 56,030.22, 77,322.06 and 30,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,030.22 : 77,322.06 = 30,879.72 : x
2. Step 2: Convert to fraction form
   56,030.22/77,322.06 = 30,879.72/x
3. Step 3: Cross multiply
   56,030.22x = 77,322.06 × 30,879.72
4. Step 4: Simplify right side
   56,030.22x = 2,387,683,562.62
5. Step 5: Solve for x
   x = 2,387,683,562.62/56,030.22
6. Step 6: Final answer
   x = 42,614.21