Finding the Fourth Proportional to 56,930.78, 78,581.16 and 33,068.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,930.78 : 78,581.16 = 33,068.18 : x
2. Step 2: Convert to fraction form
   56,930.78/78,581.16 = 33,068.18/x
3. Step 3: Cross multiply
   56,930.78x = 78,581.16 × 33,068.18
4. Step 4: Simplify right side
   56,930.78x = 2,598,535,943.49
5. Step 5: Solve for x
   x = 2,598,535,943.49/56,930.78
6. Step 6: Final answer
   x = 45,643.78