Finding the Fourth Proportional to 152,398.83, 210,317.94 and 91,968.51

Step by Step Solution

1. Step 1: Write the proportion equation
   152,398.83 : 210,317.94 = 91,968.51 : x
2. Step 2: Convert to fraction form
   152,398.83/210,317.94 = 91,968.51/x
3. Step 3: Cross multiply
   152,398.83x = 210,317.94 × 91,968.51
4. Step 4: Simplify right side
   152,398.83x = 19,342,627,568.07
5. Step 5: Solve for x
   x = 19,342,627,568.07/152,398.83
6. Step 6: Final answer
   x = 126,921.10