Finding the Fourth Proportional to 1,558,729.62, 2,151,003.33 and 879,729.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558,729.62 : 2,151,003.33 = 879,729.30 : x
2. Step 2: Convert to fraction form
   1,558,729.62/2,151,003.33 = 879,729.30/x
3. Step 3: Cross multiply
   1,558,729.62x = 2,151,003.33 × 879,729.30
4. Step 4: Simplify right side
   1,558,729.62x = 1,892,300,653,798.57
5. Step 5: Solve for x
   x = 1,892,300,653,798.57/1,558,729.62
6. Step 6: Final answer
   x = 1,214,001.86