Finding the Fourth Proportional to 66,404.72, 99,572.52 and 31,334.96

Step by Step Solution

1. Step 1: Write the proportion equation
   66,404.72 : 99,572.52 = 31,334.96 : x
2. Step 2: Convert to fraction form
   66,404.72/99,572.52 = 31,334.96/x
3. Step 3: Cross multiply
   66,404.72x = 99,572.52 × 31,334.96
4. Step 4: Simplify right side
   66,404.72x = 3,120,100,931.30
5. Step 5: Solve for x
   x = 3,120,100,931.30/66,404.72
6. Step 6: Final answer
   x = 46,986.13