Finding the Fourth Proportional to 56,903.82, 78,529.41 and 31,758.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,903.82 : 78,529.41 = 31,758.18 : x
2. Step 2: Convert to fraction form
   56,903.82/78,529.41 = 31,758.18/x
3. Step 3: Cross multiply
   56,903.82x = 78,529.41 × 31,758.18
4. Step 4: Simplify right side
   56,903.82x = 2,493,951,138.07
5. Step 5: Solve for x
   x = 2,493,951,138.07/56,903.82
6. Step 6: Final answer
   x = 43,827.48