Finding the Fourth Proportional to 103,522.64, 155,034.70 and 70,141.48

Step by Step Solution

1. Step 1: Write the proportion equation
   103,522.64 : 155,034.70 = 70,141.48 : x
2. Step 2: Convert to fraction form
   103,522.64/155,034.70 = 70,141.48/x
3. Step 3: Cross multiply
   103,522.64x = 155,034.70 × 70,141.48
4. Step 4: Simplify right side
   103,522.64x = 10,874,362,746.42
5. Step 5: Solve for x
   x = 10,874,362,746.42/103,522.64
6. Step 6: Final answer
   x = 105,043.33