Finding the Fourth Proportional to 56,778.32, 78,336.73 and 32,900.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,778.32 : 78,336.73 = 32,900.38 : x
2. Step 2: Convert to fraction form
   56,778.32/78,336.73 = 32,900.38/x
3. Step 3: Cross multiply
   56,778.32x = 78,336.73 × 32,900.38
4. Step 4: Simplify right side
   56,778.32x = 2,577,307,793.27
5. Step 5: Solve for x
   x = 2,577,307,793.27/56,778.32
6. Step 6: Final answer
   x = 45,392.47