Finding the Fourth Proportional to 1,458,404.16, 2,012,296.80 and 838,089.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458,404.16 : 2,012,296.80 = 838,089.12 : x
2. Step 2: Convert to fraction form
   1,458,404.16/2,012,296.80 = 838,089.12/x
3. Step 3: Cross multiply
   1,458,404.16x = 2,012,296.80 × 838,089.12
4. Step 4: Simplify right side
   1,458,404.16x = 1,686,484,054,290.82
5. Step 5: Solve for x
   x = 1,686,484,054,290.82/1,458,404.16
6. Step 6: Final answer
   x = 1,156,390.05