Finding the Fourth Proportional to 124,473.07, 186,709.29 and 30,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   124,473.07 : 186,709.29 = 30,978.82 : x
2. Step 2: Convert to fraction form
   124,473.07/186,709.29 = 30,978.82/x
3. Step 3: Cross multiply
   124,473.07x = 186,709.29 × 30,978.82
4. Step 4: Simplify right side
   124,473.07x = 5,784,033,487.24
5. Step 5: Solve for x
   x = 5,784,033,487.24/124,473.07
6. Step 6: Final answer
   x = 46,468.15