Finding the Fourth Proportional to 849,843.72, 1,172,869.06 and 634,610.12

Step by Step Solution

1. Step 1: Write the proportion equation
   849,843.72 : 1,172,869.06 = 634,610.12 : x
2. Step 2: Convert to fraction form
   849,843.72/1,172,869.06 = 634,610.12/x
3. Step 3: Cross multiply
   849,843.72x = 1,172,869.06 × 634,610.12
4. Step 4: Simplify right side
   849,843.72x = 744,314,574,910.89
5. Step 5: Solve for x
   x = 744,314,574,910.89/849,843.72
6. Step 6: Final answer
   x = 875,825.23