Finding the Fourth Proportional to 45,019.32, 62,060.76 and 31,549.86

Step by Step Solution

1. Step 1: Write the proportion equation
   45,019.32 : 62,060.76 = 31,549.86 : x
2. Step 2: Convert to fraction form
   45,019.32/62,060.76 = 31,549.86/x
3. Step 3: Cross multiply
   45,019.32x = 62,060.76 × 31,549.86
4. Step 4: Simplify right side
   45,019.32x = 1,958,008,289.49
5. Step 5: Solve for x
   x = 1,958,008,289.49/45,019.32
6. Step 6: Final answer
   x = 43,492.62