Finding the Fourth Proportional to 1,530,326.42, 2,111,868.20 and 876,939.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,326.42 : 2,111,868.20 = 876,939.51 : x
2. Step 2: Convert to fraction form
   1,530,326.42/2,111,868.20 = 876,939.51/x
3. Step 3: Cross multiply
   1,530,326.42x = 2,111,868.20 × 876,939.51
4. Step 4: Simplify right side
   1,530,326.42x = 1,851,980,669,671.65
5. Step 5: Solve for x
   x = 1,851,980,669,671.65/1,530,326.42
6. Step 6: Final answer
   x = 1,210,186.69