Finding the Fourth Proportional to 21,012,295.14, 31,528,019.34 and 10,784,337.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,012,295.14 : 31,528,019.34 = 10,784,337.48 : x
2. Step 2: Convert to fraction form
   21,012,295.14/31,528,019.34 = 10,784,337.48/x
3. Step 3: Cross multiply
   21,012,295.14x = 31,528,019.34 × 10,784,337.48
4. Step 4: Simplify right side
   21,012,295.14x = 340,008,800,638,526.88
5. Step 5: Solve for x
   x = 340,008,800,638,526.88/21,012,295.14
6. Step 6: Final answer
   x = 16,181,421.32