Finding the Fourth Proportional to 360,061.31, 540,157.58 and 123,427.91

Step by Step Solution

1. Step 1: Write the proportion equation
   360,061.31 : 540,157.58 = 123,427.91 : x
2. Step 2: Convert to fraction form
   360,061.31/540,157.58 = 123,427.91/x
3. Step 3: Cross multiply
   360,061.31x = 540,157.58 × 123,427.91
4. Step 4: Simplify right side
   360,061.31x = 66,670,521,170.06
5. Step 5: Solve for x
   x = 66,670,521,170.06/360,061.31
6. Step 6: Final answer
   x = 185,164.36