Finding the Fourth Proportional to 56,089.35, 77,401.89 and 30,596.31

Step by Step Solution

1. Step 1: Write the proportion equation
   56,089.35 : 77,401.89 = 30,596.31 : x
2. Step 2: Convert to fraction form
   56,089.35/77,401.89 = 30,596.31/x
3. Step 3: Cross multiply
   56,089.35x = 77,401.89 × 30,596.31
4. Step 4: Simplify right side
   56,089.35x = 2,368,212,221.03
5. Step 5: Solve for x
   x = 2,368,212,221.03/56,089.35
6. Step 6: Final answer
   x = 42,222.14