Finding the Fourth Proportional to 1,131,211.02, 1,561,407.72 and 648,097.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,211.02 : 1,561,407.72 = 648,097.86 : x
2. Step 2: Convert to fraction form
   1,131,211.02/1,561,407.72 = 648,097.86/x
3. Step 3: Cross multiply
   1,131,211.02x = 1,561,407.72 × 648,097.86
4. Step 4: Simplify right side
   1,131,211.02x = 1,011,945,001,919.48
5. Step 5: Solve for x
   x = 1,011,945,001,919.48/1,131,211.02
6. Step 6: Final answer
   x = 894,567.84