Finding the Fourth Proportional to 82,290.96, 123,159.96 and 47,178

Step by Step Solution

1. Step 1: Write the proportion equation
   82,290.96 : 123,159.96 = 47,178 : x
2. Step 2: Convert to fraction form
   82,290.96/123,159.96 = 47,178/x
3. Step 3: Cross multiply
   82,290.96x = 123,159.96 × 47,178
4. Step 4: Simplify right side
   82,290.96x = 5,810,440,592.88
5. Step 5: Solve for x
   x = 5,810,440,592.88/82,290.96
6. Step 6: Final answer
   x = 70,608.49