Finding the Fourth Proportional to 56,875, 78,477.78 and 32,996.20

Step by Step Solution

1. Step 1: Write the proportion equation
   56,875 : 78,477.78 = 32,996.20 : x
2. Step 2: Convert to fraction form
   56,875/78,477.78 = 32,996.20/x
3. Step 3: Cross multiply
   56,875x = 78,477.78 × 32,996.20
4. Step 4: Simplify right side
   56,875x = 2,589,468,524.44
5. Step 5: Solve for x
   x = 2,589,468,524.44/56,875
6. Step 6: Final answer
   x = 45,529.12