Finding the Fourth Proportional to 8,992,665.48, 12,409,570.86 and 5,126,431.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,992,665.48 : 12,409,570.86 = 5,126,431.80 : x
2. Step 2: Convert to fraction form
   8,992,665.48/12,409,570.86 = 5,126,431.80/x
3. Step 3: Cross multiply
   8,992,665.48x = 12,409,570.86 × 5,126,431.80
4. Step 4: Simplify right side
   8,992,665.48x = 63,616,818,681,057.34
5. Step 5: Solve for x
   x = 63,616,818,681,057.34/8,992,665.48
6. Step 6: Final answer
   x = 7,074,300.59