Finding the Fourth Proportional to 1,538,856.48, 2,123,731.90 and 850,513.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,856.48 : 2,123,731.90 = 850,513.53 : x
2. Step 2: Convert to fraction form
   1,538,856.48/2,123,731.90 = 850,513.53/x
3. Step 3: Cross multiply
   1,538,856.48x = 2,123,731.90 × 850,513.53
4. Step 4: Simplify right side
   1,538,856.48x = 1,806,262,710,790.04
5. Step 5: Solve for x
   x = 1,806,262,710,790.04/1,538,856.48
6. Step 6: Final answer
   x = 1,173,769.44