Finding the Fourth Proportional to 105,084.16, 157,256.40 and 65,659.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,084.16 : 157,256.40 = 65,659.84 : x
2. Step 2: Convert to fraction form
   105,084.16/157,256.40 = 65,659.84/x
3. Step 3: Cross multiply
   105,084.16x = 157,256.40 × 65,659.84
4. Step 4: Simplify right side
   105,084.16x = 10,325,430,062.98
5. Step 5: Solve for x
   x = 10,325,430,062.98/105,084.16
6. Step 6: Final answer
   x = 98,258.67