Finding the Fourth Proportional to 1,374.17, 1,897.01 and 784.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.17 : 1,897.01 = 784.59 : x
2. Step 2: Convert to fraction form
   1,374.17/1,897.01 = 784.59/x
3. Step 3: Cross multiply
   1,374.17x = 1,897.01 × 784.59
4. Step 4: Simplify right side
   1,374.17x = 1,488,384.15
5. Step 5: Solve for x
   x = 1,488,384.15/1,374.17
6. Step 6: Final answer
   x = 1,083.11