Finding the Fourth Proportional to 2,191,848.54, 3,288,038.49 and 771,613.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,848.54 : 3,288,038.49 = 771,613.98 : x
2. Step 2: Convert to fraction form
   2,191,848.54/3,288,038.49 = 771,613.98/x
3. Step 3: Cross multiply
   2,191,848.54x = 3,288,038.49 × 771,613.98
4. Step 4: Simplify right side
   2,191,848.54x = 2,537,096,465,662.09
5. Step 5: Solve for x
   x = 2,537,096,465,662.09/2,191,848.54
6. Step 6: Final answer
   x = 1,157,514.50