Finding the Fourth Proportional to 2,172,113.61, 2,997,537.48 and 1,205,333.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,113.61 : 2,997,537.48 = 1,205,333.88 : x
2. Step 2: Convert to fraction form
   2,172,113.61/2,997,537.48 = 1,205,333.88/x
3. Step 3: Cross multiply
   2,172,113.61x = 2,997,537.48 × 1,205,333.88
4. Step 4: Simplify right side
   2,172,113.61x = 3,613,033,481,213.82
5. Step 5: Solve for x
   x = 3,613,033,481,213.82/2,172,113.61
6. Step 6: Final answer
   x = 1,663,372.24