Finding the Fourth Proportional to 21,138,773.33, 31,700,382.44 and 7,302,212.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,138,773.33 : 31,700,382.44 = 7,302,212.09 : x
2. Step 2: Convert to fraction form
   21,138,773.33/31,700,382.44 = 7,302,212.09/x
3. Step 3: Cross multiply
   21,138,773.33x = 31,700,382.44 × 7,302,212.09
4. Step 4: Simplify right side
   21,138,773.33x = 231,482,915,715,978.72
5. Step 5: Solve for x
   x = 231,482,915,715,978.72/21,138,773.33
6. Step 6: Final answer
   x = 10,950,631.44