Finding the Fourth Proportional to 142,894.73, 214,298.33 and 98,804.81

Step by Step Solution

1. Step 1: Write the proportion equation
   142,894.73 : 214,298.33 = 98,804.81 : x
2. Step 2: Convert to fraction form
   142,894.73/214,298.33 = 98,804.81/x
3. Step 3: Cross multiply
   142,894.73x = 214,298.33 × 98,804.81
4. Step 4: Simplify right side
   142,894.73x = 21,173,705,820.69
5. Step 5: Solve for x
   x = 21,173,705,820.69/142,894.73
6. Step 6: Final answer
   x = 148,176.95