Finding the Fourth Proportional to 1,539,003.42, 2,123,820.18 and 859,940.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,539,003.42 : 2,123,820.18 = 859,940.46 : x
2. Step 2: Convert to fraction form
   1,539,003.42/2,123,820.18 = 859,940.46/x
3. Step 3: Cross multiply
   1,539,003.42x = 2,123,820.18 × 859,940.46
4. Step 4: Simplify right side
   1,539,003.42x = 1,826,358,902,546.48
5. Step 5: Solve for x
   x = 1,826,358,902,546.48/1,539,003.42
6. Step 6: Final answer
   x = 1,186,715.30