Finding the Fourth Proportional to 56,925.72, 78,565.32 and 31,776.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,925.72 : 78,565.32 = 31,776.84 : x
2. Step 2: Convert to fraction form
   56,925.72/78,565.32 = 31,776.84/x
3. Step 3: Cross multiply
   56,925.72x = 78,565.32 × 31,776.84
4. Step 4: Simplify right side
   56,925.72x = 2,496,557,603.19
5. Step 5: Solve for x
   x = 2,496,557,603.19/56,925.72
6. Step 6: Final answer
   x = 43,856.41