Finding the Fourth Proportional to 47,529.42, 65,444.22 and 42,215.02

Step by Step Solution

1. Step 1: Write the proportion equation
   47,529.42 : 65,444.22 = 42,215.02 : x
2. Step 2: Convert to fraction form
   47,529.42/65,444.22 = 42,215.02/x
3. Step 3: Cross multiply
   47,529.42x = 65,444.22 × 42,215.02
4. Step 4: Simplify right side
   47,529.42x = 2,762,729,056.18
5. Step 5: Solve for x
   x = 2,762,729,056.18/47,529.42
6. Step 6: Final answer
   x = 58,126.72