Finding the Fourth Proportional to 82,907.78, 114,322.39 and 56,003.58

Step by Step Solution

1. Step 1: Write the proportion equation
   82,907.78 : 114,322.39 = 56,003.58 : x
2. Step 2: Convert to fraction form
   82,907.78/114,322.39 = 56,003.58/x
3. Step 3: Cross multiply
   82,907.78x = 114,322.39 × 56,003.58
4. Step 4: Simplify right side
   82,907.78x = 6,402,462,974.15
5. Step 5: Solve for x
   x = 6,402,462,974.15/82,907.78
6. Step 6: Final answer
   x = 77,223.92