Finding the Fourth Proportional to 1,429,321.97, 1,972,468.17 and 784,783.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,321.97 : 1,972,468.17 = 784,783.91 : x
2. Step 2: Convert to fraction form
   1,429,321.97/1,972,468.17 = 784,783.91/x
3. Step 3: Cross multiply
   1,429,321.97x = 1,972,468.17 × 784,783.91
4. Step 4: Simplify right side
   1,429,321.97x = 1,547,961,272,940.80
5. Step 5: Solve for x
   x = 1,547,961,272,940.80/1,429,321.97
6. Step 6: Final answer
   x = 1,083,003.91