Finding the Fourth Proportional to 2,116,086.91, 2,921,410.43 and 1,393,036.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,086.91 : 2,921,410.43 = 1,393,036.52 : x
2. Step 2: Convert to fraction form
   2,116,086.91/2,921,410.43 = 1,393,036.52/x
3. Step 3: Cross multiply
   2,116,086.91x = 2,921,410.43 × 1,393,036.52
4. Step 4: Simplify right side
   2,116,086.91x = 4,069,631,418,898.90
5. Step 5: Solve for x
   x = 4,069,631,418,898.90/2,116,086.91
6. Step 6: Final answer
   x = 1,923,187.28