Finding the Fourth Proportional to 9,515,877.76, 13,131,559.38 and 5,164,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,877.76 : 13,131,559.38 = 5,164,870.42 : x
2. Step 2: Convert to fraction form
   9,515,877.76/13,131,559.38 = 5,164,870.42/x
3. Step 3: Cross multiply
   9,515,877.76x = 13,131,559.38 × 5,164,870.42
4. Step 4: Simplify right side
   9,515,877.76x = 67,822,802,610,235.54
5. Step 5: Solve for x
   x = 67,822,802,610,235.54/9,515,877.76
6. Step 6: Final answer
   x = 7,127,330.17