Finding the Fourth Proportional to 2,517,060.81, 3,473,442.21 and 1,538,638.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517,060.81 : 3,473,442.21 = 1,538,638.47 : x
2. Step 2: Convert to fraction form
   2,517,060.81/3,473,442.21 = 1,538,638.47/x
3. Step 3: Cross multiply
   2,517,060.81x = 3,473,442.21 × 1,538,638.47
4. Step 4: Simplify right side
   2,517,060.81x = 5,344,371,807,627.82
5. Step 5: Solve for x
   x = 5,344,371,807,627.82/2,517,060.81
6. Step 6: Final answer
   x = 2,123,258.92