Finding the Fourth Proportional to 47,637.56, 65,701.90 and 30,643.76

Step by Step Solution

1. Step 1: Write the proportion equation
   47,637.56 : 65,701.90 = 30,643.76 : x
2. Step 2: Convert to fraction form
   47,637.56/65,701.90 = 30,643.76/x
3. Step 3: Cross multiply
   47,637.56x = 65,701.90 × 30,643.76
4. Step 4: Simplify right side
   47,637.56x = 2,013,353,255.14
5. Step 5: Solve for x
   x = 2,013,353,255.14/47,637.56
6. Step 6: Final answer
   x = 42,263.99