Finding the Fourth Proportional to 56,818.08, 78,411.62 and 31,667.76

Step by Step Solution

1. Step 1: Write the proportion equation
   56,818.08 : 78,411.62 = 31,667.76 : x
2. Step 2: Convert to fraction form
   56,818.08/78,411.62 = 31,667.76/x
3. Step 3: Cross multiply
   56,818.08x = 78,411.62 × 31,667.76
4. Step 4: Simplify right side
   56,818.08x = 2,483,120,363.37
5. Step 5: Solve for x
   x = 2,483,120,363.37/56,818.08
6. Step 6: Final answer
   x = 43,703.00