Finding the Fourth Proportional to 900,896.04, 1,243,151.88 and 609,915.69

Step by Step Solution

1. Step 1: Write the proportion equation
   900,896.04 : 1,243,151.88 = 609,915.69 : x
2. Step 2: Convert to fraction form
   900,896.04/1,243,151.88 = 609,915.69/x
3. Step 3: Cross multiply
   900,896.04x = 1,243,151.88 × 609,915.69
4. Step 4: Simplify right side
   900,896.04x = 758,217,836,665.00
5. Step 5: Solve for x
   x = 758,217,836,665.00/900,896.04
6. Step 6: Final answer
   x = 841,626.34