Finding the Fourth Proportional to 1,673,262, 2,309,116.38 and 909,315.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,262 : 2,309,116.38 = 909,315.60 : x
2. Step 2: Convert to fraction form
   1,673,262/2,309,116.38 = 909,315.60/x
3. Step 3: Cross multiply
   1,673,262x = 2,309,116.38 × 909,315.60
4. Step 4: Simplify right side
   1,673,262x = 2,099,715,546,549.53
5. Step 5: Solve for x
   x = 2,099,715,546,549.53/1,673,262
6. Step 6: Final answer
   x = 1,254,863.58