Finding the Fourth Proportional to 56,018.58, 77,305.59 and 30,868.26

Step by Step Solution

1. Step 1: Write the proportion equation
   56,018.58 : 77,305.59 = 30,868.26 : x
2. Step 2: Convert to fraction form
   56,018.58/77,305.59 = 30,868.26/x
3. Step 3: Cross multiply
   56,018.58x = 77,305.59 × 30,868.26
4. Step 4: Simplify right side
   56,018.58x = 2,386,289,051.57
5. Step 5: Solve for x
   x = 2,386,289,051.57/56,018.58
6. Step 6: Final answer
   x = 42,598.17