Finding the Fourth Proportional to 3,870,514.98, 5,341,447.72 and 2,128,316.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,514.98 : 5,341,447.72 = 2,128,316.96 : x
2. Step 2: Convert to fraction form
   3,870,514.98/5,341,447.72 = 2,128,316.96/x
3. Step 3: Cross multiply
   3,870,514.98x = 5,341,447.72 × 2,128,316.96
4. Step 4: Simplify right side
   3,870,514.98x = 11,368,293,773,429.33
5. Step 5: Solve for x
   x = 11,368,293,773,429.33/3,870,514.98
6. Step 6: Final answer
   x = 2,937,152.76