Finding the Fourth Proportional to 56,014.84, 77,296.98 and 30,864.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,014.84 : 77,296.98 = 30,864.34 : x
2. Step 2: Convert to fraction form
   56,014.84/77,296.98 = 30,864.34/x
3. Step 3: Cross multiply
   56,014.84x = 77,296.98 × 30,864.34
4. Step 4: Simplify right side
   56,014.84x = 2,385,720,271.69
5. Step 5: Solve for x
   x = 2,385,720,271.69/56,014.84
6. Step 6: Final answer
   x = 42,590.86