Finding the Fourth Proportional to 185,839.69, 256,438.20 and 103,051.59

Step by Step Solution

1. Step 1: Write the proportion equation
   185,839.69 : 256,438.20 = 103,051.59 : x
2. Step 2: Convert to fraction form
   185,839.69/256,438.20 = 103,051.59/x
3. Step 3: Cross multiply
   185,839.69x = 256,438.20 × 103,051.59
4. Step 4: Simplify right side
   185,839.69x = 26,426,365,222.69
5. Step 5: Solve for x
   x = 26,426,365,222.69/185,839.69
6. Step 6: Final answer
   x = 142,199.79