Finding the Fourth Proportional to 1,900.76, 2,623.26 and 1,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.76 : 2,623.26 = 1,061.60 : x
2. Step 2: Convert to fraction form
   1,900.76/2,623.26 = 1,061.60/x
3. Step 3: Cross multiply
   1,900.76x = 2,623.26 × 1,061.60
4. Step 4: Simplify right side
   1,900.76x = 2,784,852.82
5. Step 5: Solve for x
   x = 2,784,852.82/1,900.76
6. Step 6: Final answer
   x = 1,465.13