Finding the Fourth Proportional to 188,265, 259,807.52 and 103,383.89

Step by Step Solution

1. Step 1: Write the proportion equation
   188,265 : 259,807.52 = 103,383.89 : x
2. Step 2: Convert to fraction form
   188,265/259,807.52 = 103,383.89/x
3. Step 3: Cross multiply
   188,265x = 259,807.52 × 103,383.89
4. Step 4: Simplify right side
   188,265x = 26,859,911,028.27
5. Step 5: Solve for x
   x = 26,859,911,028.27/188,265
6. Step 6: Final answer
   x = 142,670.76