Finding the Fourth Proportional to 122,453.89, 183,505.59 and 69,754.48

Step by Step Solution

1. Step 1: Write the proportion equation
   122,453.89 : 183,505.59 = 69,754.48 : x
2. Step 2: Convert to fraction form
   122,453.89/183,505.59 = 69,754.48/x
3. Step 3: Cross multiply
   122,453.89x = 183,505.59 × 69,754.48
4. Step 4: Simplify right side
   122,453.89x = 12,800,336,548.78
5. Step 5: Solve for x
   x = 12,800,336,548.78/122,453.89
6. Step 6: Final answer
   x = 104,531.89