Finding the Fourth Proportional to 98,002.95, 147,078.41 and 71,775.69

Step by Step Solution

1. Step 1: Write the proportion equation
   98,002.95 : 147,078.41 = 71,775.69 : x
2. Step 2: Convert to fraction form
   98,002.95/147,078.41 = 71,775.69/x
3. Step 3: Cross multiply
   98,002.95x = 147,078.41 × 71,775.69
4. Step 4: Simplify right side
   98,002.95x = 10,556,654,002.97
5. Step 5: Solve for x
   x = 10,556,654,002.97/98,002.95
6. Step 6: Final answer
   x = 107,717.72