Finding the Fourth Proportional to 103,582.70, 155,498.52 and 70,201.49

Step by Step Solution

1. Step 1: Write the proportion equation
   103,582.70 : 155,498.52 = 70,201.49 : x
2. Step 2: Convert to fraction form
   103,582.70/155,498.52 = 70,201.49/x
3. Step 3: Cross multiply
   103,582.70x = 155,498.52 × 70,201.49
4. Step 4: Simplify right side
   103,582.70x = 10,916,227,796.79
5. Step 5: Solve for x
   x = 10,916,227,796.79/103,582.70
6. Step 6: Final answer
   x = 105,386.59