Finding the Fourth Proportional to 1,935.90, 2,897.82 and 1,056.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,935.90 : 2,897.82 = 1,056.18 : x
2. Step 2: Convert to fraction form
   1,935.90/2,897.82 = 1,056.18/x
3. Step 3: Cross multiply
   1,935.90x = 2,897.82 × 1,056.18
4. Step 4: Simplify right side
   1,935.90x = 3,060,619.53
5. Step 5: Solve for x
   x = 3,060,619.53/1,935.90
6. Step 6: Final answer
   x = 1,580.98