Finding the Fourth Proportional to 1,500,616.18, 2,071,047.54 and 855,888.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,616.18 : 2,071,047.54 = 855,888.58 : x
2. Step 2: Convert to fraction form
   1,500,616.18/2,071,047.54 = 855,888.58/x
3. Step 3: Cross multiply
   1,500,616.18x = 2,071,047.54 × 855,888.58
4. Step 4: Simplify right side
   1,500,616.18x = 1,772,585,938,123.09
5. Step 5: Solve for x
   x = 1,772,585,938,123.09/1,500,616.18
6. Step 6: Final answer
   x = 1,181,238.72