Finding the Fourth Proportional to 103,846.54, 155,907.86 and 70,225.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,846.54 : 155,907.86 = 70,225.52 : x
2. Step 2: Convert to fraction form
   103,846.54/155,907.86 = 70,225.52/x
3. Step 3: Cross multiply
   103,846.54x = 155,907.86 × 70,225.52
4. Step 4: Simplify right side
   103,846.54x = 10,948,710,540.59
5. Step 5: Solve for x
   x = 10,948,710,540.59/103,846.54
6. Step 6: Final answer
   x = 105,431.64