Finding the Fourth Proportional to 56,089.20, 77,404.56 and 30,596.00

Step by Step Solution

1. Step 1: Write the proportion equation
   56,089.20 : 77,404.56 = 30,596.00 : x
2. Step 2: Convert to fraction form
   56,089.20/77,404.56 = 30,596.00/x
3. Step 3: Cross multiply
   56,089.20x = 77,404.56 × 30,596.00
4. Step 4: Simplify right side
   56,089.20x = 2,368,269,377.76
5. Step 5: Solve for x
   x = 2,368,269,377.76/56,089.20
6. Step 6: Final answer
   x = 42,223.27