Finding the Fourth Proportional to 155,453.59, 214,506.89 and 98,071.27

Step by Step Solution

1. Step 1: Write the proportion equation
   155,453.59 : 214,506.89 = 98,071.27 : x
2. Step 2: Convert to fraction form
   155,453.59/214,506.89 = 98,071.27/x
3. Step 3: Cross multiply
   155,453.59x = 214,506.89 × 98,071.27
4. Step 4: Simplify right side
   155,453.59x = 21,036,962,099.43
5. Step 5: Solve for x
   x = 21,036,962,099.43/155,453.59
6. Step 6: Final answer
   x = 135,326.32