Finding the Fourth Proportional to 52,475.84, 72,419.04 and 30,966.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,475.84 : 72,419.04 = 30,966.72 : x
2. Step 2: Convert to fraction form
   52,475.84/72,419.04 = 30,966.72/x
3. Step 3: Cross multiply
   52,475.84x = 72,419.04 × 30,966.72
4. Step 4: Simplify right side
   52,475.84x = 2,242,580,134.35
5. Step 5: Solve for x
   x = 2,242,580,134.35/52,475.84
6. Step 6: Final answer
   x = 42,735.48