Finding the Fourth Proportional to 56,977.56, 78,623.73 and 33,103.89

Step by Step Solution

1. Step 1: Write the proportion equation
   56,977.56 : 78,623.73 = 33,103.89 : x
2. Step 2: Convert to fraction form
   56,977.56/78,623.73 = 33,103.89/x
3. Step 3: Cross multiply
   56,977.56x = 78,623.73 × 33,103.89
4. Step 4: Simplify right side
   56,977.56x = 2,602,751,309.31
5. Step 5: Solve for x
   x = 2,602,751,309.31/56,977.56
6. Step 6: Final answer
   x = 45,680.29