Finding the Fourth Proportional to 1,171,837.31, 1,617,123.57 and 648,548.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,837.31 : 1,617,123.57 = 648,548.94 : x
2. Step 2: Convert to fraction form
   1,171,837.31/1,617,123.57 = 648,548.94/x
3. Step 3: Cross multiply
   1,171,837.31x = 1,617,123.57 × 648,548.94
4. Step 4: Simplify right side
   1,171,837.31x = 1,048,783,774,903.38
5. Step 5: Solve for x
   x = 1,048,783,774,903.38/1,171,837.31
6. Step 6: Final answer
   x = 894,990.94