Finding the Fourth Proportional to 56,976.77, 78,623.89 and 31,482.87

Step by Step Solution

1. Step 1: Write the proportion equation
   56,976.77 : 78,623.89 = 31,482.87 : x
2. Step 2: Convert to fraction form
   56,976.77/78,623.89 = 31,482.87/x
3. Step 3: Cross multiply
   56,976.77x = 78,623.89 × 31,482.87
4. Step 4: Simplify right side
   56,976.77x = 2,475,305,707.76
5. Step 5: Solve for x
   x = 2,475,305,707.76/56,976.77
6. Step 6: Final answer
   x = 43,444.12