Finding the Fourth Proportional to 22,261,379.91, 33,390,436.91 and 7,111,243.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,261,379.91 : 33,390,436.91 = 7,111,243.59 : x
2. Step 2: Convert to fraction form
   22,261,379.91/33,390,436.91 = 7,111,243.59/x
3. Step 3: Cross multiply
   22,261,379.91x = 33,390,436.91 × 7,111,243.59
4. Step 4: Simplify right side
   22,261,379.91x = 237,447,530,407,980.69
5. Step 5: Solve for x
   x = 237,447,530,407,980.69/22,261,379.91
6. Step 6: Final answer
   x = 10,666,343.75