Finding the Fourth Proportional to 56,899.98, 78,521.54 and 33,028.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,899.98 : 78,521.54 = 33,028.88 : x
2. Step 2: Convert to fraction form
   56,899.98/78,521.54 = 33,028.88/x
3. Step 3: Cross multiply
   56,899.98x = 78,521.54 × 33,028.88
4. Step 4: Simplify right side
   56,899.98x = 2,593,477,964.32
5. Step 5: Solve for x
   x = 2,593,477,964.32/56,899.98
6. Step 6: Final answer
   x = 45,579.59