Finding the Fourth Proportional to 55,362.42, 82,980.68 and 48,685.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,362.42 : 82,980.68 = 48,685.88 : x
2. Step 2: Convert to fraction form
   55,362.42/82,980.68 = 48,685.88/x
3. Step 3: Cross multiply
   55,362.42x = 82,980.68 × 48,685.88
4. Step 4: Simplify right side
   55,362.42x = 4,039,987,428.80
5. Step 5: Solve for x
   x = 4,039,987,428.80/55,362.42
6. Step 6: Final answer
   x = 72,973.46