Finding the Fourth Proportional to 8,987,112, 12,402,214.56 and 4,912,760.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,987,112 : 12,402,214.56 = 4,912,760.16 : x
2. Step 2: Convert to fraction form
   8,987,112/12,402,214.56 = 4,912,760.16/x
3. Step 3: Cross multiply
   8,987,112x = 12,402,214.56 × 4,912,760.16
4. Step 4: Simplify right side
   8,987,112x = 60,929,105,586,139.94
5. Step 5: Solve for x
   x = 60,929,105,586,139.94/8,987,112
6. Step 6: Final answer
   x = 6,779,609.02