Finding the Fourth Proportional to 1,538,974.72, 2,123,719.32 and 850,611.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,974.72 : 2,123,719.32 = 850,611.34 : x
2. Step 2: Convert to fraction form
   1,538,974.72/2,123,719.32 = 850,611.34/x
3. Step 3: Cross multiply
   1,538,974.72x = 2,123,719.32 × 850,611.34
4. Step 4: Simplify right side
   1,538,974.72x = 1,806,459,736,569.09
5. Step 5: Solve for x
   x = 1,806,459,736,569.09/1,538,974.72
6. Step 6: Final answer
   x = 1,173,807.28