Finding the Fourth Proportional to 152,080.74, 209,856.42 and 88,422.84

Step by Step Solution

1. Step 1: Write the proportion equation
   152,080.74 : 209,856.42 = 88,422.84 : x
2. Step 2: Convert to fraction form
   152,080.74/209,856.42 = 88,422.84/x
3. Step 3: Cross multiply
   152,080.74x = 209,856.42 × 88,422.84
4. Step 4: Simplify right side
   152,080.74x = 18,556,100,648.63
5. Step 5: Solve for x
   x = 18,556,100,648.63/152,080.74
6. Step 6: Final answer
   x = 122,014.80