Finding the Fourth Proportional to 1,528,349.94, 2,109,144.83 and 840,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,349.94 : 2,109,144.83 = 840,085.52 : x
2. Step 2: Convert to fraction form
   1,528,349.94/2,109,144.83 = 840,085.52/x
3. Step 3: Cross multiply
   1,528,349.94x = 2,109,144.83 × 840,085.52
4. Step 4: Simplify right side
   1,528,349.94x = 1,771,862,016,519.71
5. Step 5: Solve for x
   x = 1,771,862,016,519.71/1,528,349.94
6. Step 6: Final answer
   x = 1,159,330.05