Finding the Fourth Proportional to 152,369.82, 210,200.55 and 98,672.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,369.82 : 210,200.55 = 98,672.15 : x
2. Step 2: Convert to fraction form
   152,369.82/210,200.55 = 98,672.15/x
3. Step 3: Cross multiply
   152,369.82x = 210,200.55 × 98,672.15
4. Step 4: Simplify right side
   152,369.82x = 20,740,939,148.68
5. Step 5: Solve for x
   x = 20,740,939,148.68/152,369.82
6. Step 6: Final answer
   x = 136,122.36