Finding the Fourth Proportional to 56,002.78, 77,283.78 and 32,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,002.78 : 77,283.78 = 32,128.42 : x
2. Step 2: Convert to fraction form
   56,002.78/77,283.78 = 32,128.42/x
3. Step 3: Cross multiply
   56,002.78x = 77,283.78 × 32,128.42
4. Step 4: Simplify right side
   56,002.78x = 2,483,005,743.03
5. Step 5: Solve for x
   x = 2,483,005,743.03/56,002.78
6. Step 6: Final answer
   x = 44,337.19