Finding the Fourth Proportional to 1,317,339.54, 1,817,371.89 and 881,897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,339.54 : 1,817,371.89 = 881,897.18 : x
2. Step 2: Convert to fraction form
   1,317,339.54/1,817,371.89 = 881,897.18/x
3. Step 3: Cross multiply
   1,317,339.54x = 1,817,371.89 × 881,897.18
4. Step 4: Simplify right side
   1,317,339.54x = 1,602,735,144,802.27
5. Step 5: Solve for x
   x = 1,602,735,144,802.27/1,317,339.54
6. Step 6: Final answer
   x = 1,216,645.44