Finding the Fourth Proportional to 1,409.59, 2,111.01 and 914.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.59 : 2,111.01 = 914.95 : x
2. Step 2: Convert to fraction form
   1,409.59/2,111.01 = 914.95/x
3. Step 3: Cross multiply
   1,409.59x = 2,111.01 × 914.95
4. Step 4: Simplify right side
   1,409.59x = 1,931,468.60
5. Step 5: Solve for x
   x = 1,931,468.60/1,409.59
6. Step 6: Final answer
   x = 1,370.23