Finding the Fourth Proportional to 3,572,111.88, 4,929,372.72 and 2,121,769.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,572,111.88 : 4,929,372.72 = 2,121,769.08 : x
2. Step 2: Convert to fraction form
   3,572,111.88/4,929,372.72 = 2,121,769.08/x
3. Step 3: Cross multiply
   3,572,111.88x = 4,929,372.72 × 2,121,769.08
4. Step 4: Simplify right side
   3,572,111.88x = 10,458,990,621,091.50
5. Step 5: Solve for x
   x = 10,458,990,621,091.50/3,572,111.88
6. Step 6: Final answer
   x = 2,927,957.18