Finding the Fourth Proportional to 9,515,558.61, 13,131,119.52 and 5,164,551.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,558.61 : 13,131,119.52 = 5,164,551.48 : x
2. Step 2: Convert to fraction form
   9,515,558.61/13,131,119.52 = 5,164,551.48/x
3. Step 3: Cross multiply
   9,515,558.61x = 13,131,119.52 × 5,164,551.48
4. Step 4: Simplify right side
   9,515,558.61x = 67,816,342,751,072.89
5. Step 5: Solve for x
   x = 67,816,342,751,072.89/9,515,558.61
6. Step 6: Final answer
   x = 7,126,890.34