Finding the Fourth Proportional to 1,538,471.25, 2,123,085.06 and 850,123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,471.25 : 2,123,085.06 = 850,123.94 : x
2. Step 2: Convert to fraction form
   1,538,471.25/2,123,085.06 = 850,123.94/x
3. Step 3: Cross multiply
   1,538,471.25x = 2,123,085.06 × 850,123.94
4. Step 4: Simplify right side
   1,538,471.25x = 1,804,885,425,546.91
5. Step 5: Solve for x
   x = 1,804,885,425,546.91/1,538,471.25
6. Step 6: Final answer
   x = 1,173,168.12