Finding the Fourth Proportional to 188,697, 260,401.86 and 103,812.24

Step by Step Solution

1. Step 1: Write the proportion equation
   188,697 : 260,401.86 = 103,812.24 : x
2. Step 2: Convert to fraction form
   188,697/260,401.86 = 103,812.24/x
3. Step 3: Cross multiply
   188,697x = 260,401.86 × 103,812.24
4. Step 4: Simplify right side
   188,697x = 27,032,900,386.77
5. Step 5: Solve for x
   x = 27,032,900,386.77/188,697
6. Step 6: Final answer
   x = 143,260.89