Finding the Fourth Proportional to 98,667.96, 136,159.02 and 53,955

Step by Step Solution

1. Step 1: Write the proportion equation
   98,667.96 : 136,159.02 = 53,955 : x
2. Step 2: Convert to fraction form
   98,667.96/136,159.02 = 53,955/x
3. Step 3: Cross multiply
   98,667.96x = 136,159.02 × 53,955
4. Step 4: Simplify right side
   98,667.96x = 7,346,459,924.10
5. Step 5: Solve for x
   x = 7,346,459,924.10/98,667.96
6. Step 6: Final answer
   x = 74,456.39