Finding the Fourth Proportional to 1,628,541.72, 2,247,385.50 and 903,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,541.72 : 2,247,385.50 = 903,499.38 : x
2. Step 2: Convert to fraction form
   1,628,541.72/2,247,385.50 = 903,499.38/x
3. Step 3: Cross multiply
   1,628,541.72x = 2,247,385.50 × 903,499.38
4. Step 4: Simplify right side
   1,628,541.72x = 2,030,511,405,870.99
5. Step 5: Solve for x
   x = 2,030,511,405,870.99/1,628,541.72
6. Step 6: Final answer
   x = 1,246,827.99