Finding the Fourth Proportional to 56,282.82, 77,667.03 and 30,784.10

Step by Step Solution

1. Step 1: Write the proportion equation
   56,282.82 : 77,667.03 = 30,784.10 : x
2. Step 2: Convert to fraction form
   56,282.82/77,667.03 = 30,784.10/x
3. Step 3: Cross multiply
   56,282.82x = 77,667.03 × 30,784.10
4. Step 4: Simplify right side
   56,282.82x = 2,390,909,229.89
5. Step 5: Solve for x
   x = 2,390,909,229.89/56,282.82
6. Step 6: Final answer
   x = 42,480.27