Finding the Fourth Proportional to 1,356.45, 2,036.16 and 1,051.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.45 : 2,036.16 = 1,051.98 : x
2. Step 2: Convert to fraction form
   1,356.45/2,036.16 = 1,051.98/x
3. Step 3: Cross multiply
   1,356.45x = 2,036.16 × 1,051.98
4. Step 4: Simplify right side
   1,356.45x = 2,141,999.60
5. Step 5: Solve for x
   x = 2,141,999.60/1,356.45
6. Step 6: Final answer
   x = 1,579.12