Finding the Fourth Proportional to 2,131,835.61, 2,942,233.18 and 1,357,219

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,835.61 : 2,942,233.18 = 1,357,219 : x
2. Step 2: Convert to fraction form
   2,131,835.61/2,942,233.18 = 1,357,219/x
3. Step 3: Cross multiply
   2,131,835.61x = 2,942,233.18 × 1,357,219
4. Step 4: Simplify right side
   2,131,835.61x = 3,993,254,774,326.42
5. Step 5: Solve for x
   x = 3,993,254,774,326.42/2,131,835.61
6. Step 6: Final answer
   x = 1,873,153.24