Finding the Fourth Proportional to 53,012.72, 73,160.52 and 30,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,012.72 : 73,160.52 = 30,656.72 : x
2. Step 2: Convert to fraction form
   53,012.72/73,160.52 = 30,656.72/x
3. Step 3: Cross multiply
   53,012.72x = 73,160.52 × 30,656.72
4. Step 4: Simplify right side
   53,012.72x = 2,242,861,576.69
5. Step 5: Solve for x
   x = 2,242,861,576.69/53,012.72
6. Step 6: Final answer
   x = 42,307.99