Finding the Fourth Proportional to 1,499,501.42, 2,069,260.49 and 855,129

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,501.42 : 2,069,260.49 = 855,129 : x
2. Step 2: Convert to fraction form
   1,499,501.42/2,069,260.49 = 855,129/x
3. Step 3: Cross multiply
   1,499,501.42x = 2,069,260.49 × 855,129
4. Step 4: Simplify right side
   1,499,501.42x = 1,769,484,653,553.21
5. Step 5: Solve for x
   x = 1,769,484,653,553.21/1,499,501.42
6. Step 6: Final answer
   x = 1,180,048.67