Finding the Fourth Proportional to 56,897.88, 78,499.98 and 33,015.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,897.88 : 78,499.98 = 33,015.96 : x
2. Step 2: Convert to fraction form
   56,897.88/78,499.98 = 33,015.96/x
3. Step 3: Cross multiply
   56,897.88x = 78,499.98 × 33,015.96
4. Step 4: Simplify right side
   56,897.88x = 2,591,752,199.68
5. Step 5: Solve for x
   x = 2,591,752,199.68/56,897.88
6. Step 6: Final answer
   x = 45,550.94