Finding the Fourth Proportional to 56,987.56, 78,637.53 and 33,113.89

Step by Step Solution

1. Step 1: Write the proportion equation
   56,987.56 : 78,637.53 = 33,113.89 : x
2. Step 2: Convert to fraction form
   56,987.56/78,637.53 = 33,113.89/x
3. Step 3: Cross multiply
   56,987.56x = 78,637.53 × 33,113.89
4. Step 4: Simplify right side
   56,987.56x = 2,603,994,518.29
5. Step 5: Solve for x
   x = 2,603,994,518.29/56,987.56
6. Step 6: Final answer
   x = 45,694.09