Finding the Fourth Proportional to 46,543.91, 64,155.89 and 31,431.74

Step by Step Solution

1. Step 1: Write the proportion equation
   46,543.91 : 64,155.89 = 31,431.74 : x
2. Step 2: Convert to fraction form
   46,543.91/64,155.89 = 31,431.74/x
3. Step 3: Cross multiply
   46,543.91x = 64,155.89 × 31,431.74
4. Step 4: Simplify right side
   46,543.91x = 2,016,530,776.01
5. Step 5: Solve for x
   x = 2,016,530,776.01/46,543.91
6. Step 6: Final answer
   x = 43,325.35