Finding the Fourth Proportional to 1,357,064.28, 1,872,616.15 and 784,092.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,064.28 : 1,872,616.15 = 784,092.15 : x
2. Step 2: Convert to fraction form
   1,357,064.28/1,872,616.15 = 784,092.15/x
3. Step 3: Cross multiply
   1,357,064.28x = 1,872,616.15 × 784,092.15
4. Step 4: Simplify right side
   1,357,064.28x = 1,468,303,623,178.22
5. Step 5: Solve for x
   x = 1,468,303,623,178.22/1,357,064.28
6. Step 6: Final answer
   x = 1,081,970.58