Finding the Fourth Proportional to 1,224,136.69, 1,835,492.72 and 900,118.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,136.69 : 1,835,492.72 = 900,118.57 : x
2. Step 2: Convert to fraction form
   1,224,136.69/1,835,492.72 = 900,118.57/x
3. Step 3: Cross multiply
   1,224,136.69x = 1,835,492.72 × 900,118.57
4. Step 4: Simplify right side
   1,224,136.69x = 1,652,161,080,033.38
5. Step 5: Solve for x
   x = 1,652,161,080,033.38/1,224,136.69
6. Step 6: Final answer
   x = 1,349,654.08