Finding the Fourth Proportional to 52,182.02, 71,978.42 and 30,946.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,182.02 : 71,978.42 = 30,946.25 : x
2. Step 2: Convert to fraction form
   52,182.02/71,978.42 = 30,946.25/x
3. Step 3: Cross multiply
   52,182.02x = 71,978.42 × 30,946.25
4. Step 4: Simplify right side
   52,182.02x = 2,227,462,025.19
5. Step 5: Solve for x
   x = 2,227,462,025.19/52,182.02
6. Step 6: Final answer
   x = 42,686.39