Finding the Fourth Proportional to 56,059.50, 77,362.72 and 30,565.66

Step by Step Solution

1. Step 1: Write the proportion equation
   56,059.50 : 77,362.72 = 30,565.66 : x
2. Step 2: Convert to fraction form
   56,059.50/77,362.72 = 30,565.66/x
3. Step 3: Cross multiply
   56,059.50x = 77,362.72 × 30,565.66
4. Step 4: Simplify right side
   56,059.50x = 2,364,642,443.37
5. Step 5: Solve for x
   x = 2,364,642,443.37/56,059.50
6. Step 6: Final answer
   x = 42,180.94