Finding the Fourth Proportional to 1,121,045.82, 1,547,034.72 and 637,610.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,045.82 : 1,547,034.72 = 637,610.37 : x
2. Step 2: Convert to fraction form
   1,121,045.82/1,547,034.72 = 637,610.37/x
3. Step 3: Cross multiply
   1,121,045.82x = 1,547,034.72 × 637,610.37
4. Step 4: Simplify right side
   1,121,045.82x = 986,405,380,222.05
5. Step 5: Solve for x
   x = 986,405,380,222.05/1,121,045.82
6. Step 6: Final answer
   x = 879,897.47