Finding the Fourth Proportional to 103,633.30, 155,373.15 and 70,270.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,633.30 : 155,373.15 = 70,270.10 : x
2. Step 2: Convert to fraction form
   103,633.30/155,373.15 = 70,270.10/x
3. Step 3: Cross multiply
   103,633.30x = 155,373.15 × 70,270.10
4. Step 4: Simplify right side
   103,633.30x = 10,918,086,787.82
5. Step 5: Solve for x
   x = 10,918,086,787.82/103,633.30
6. Step 6: Final answer
   x = 105,353.07