Finding the Fourth Proportional to 1,096,088.56, 1,512,498.42 and 612,642.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,088.56 : 1,512,498.42 = 612,642.69 : x
2. Step 2: Convert to fraction form
   1,096,088.56/1,512,498.42 = 612,642.69/x
3. Step 3: Cross multiply
   1,096,088.56x = 1,512,498.42 × 612,642.69
4. Step 4: Simplify right side
   1,096,088.56x = 926,621,100,649.55
5. Step 5: Solve for x
   x = 926,621,100,649.55/1,096,088.56
6. Step 6: Final answer
   x = 845,388.90