Finding the Fourth Proportional to 82,054.68, 123,312.86 and 48,780.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,054.68 : 123,312.86 = 48,780.72 : x
2. Step 2: Convert to fraction form
   82,054.68/123,312.86 = 48,780.72/x
3. Step 3: Cross multiply
   82,054.68x = 123,312.86 × 48,780.72
4. Step 4: Simplify right side
   82,054.68x = 6,015,290,096.06
5. Step 5: Solve for x
   x = 6,015,290,096.06/82,054.68
6. Step 6: Final answer
   x = 73,308.31