Finding the Fourth Proportional to 31,682,307.82, 47,508,564.16 and 12,260,680.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,682,307.82 : 47,508,564.16 = 12,260,680.12 : x
2. Step 2: Convert to fraction form
   31,682,307.82/47,508,564.16 = 12,260,680.12/x
3. Step 3: Cross multiply
   31,682,307.82x = 47,508,564.16 × 12,260,680.12
4. Step 4: Simplify right side
   31,682,307.82x = 582,487,308,205,259.25
5. Step 5: Solve for x
   x = 582,487,308,205,259.25/31,682,307.82
6. Step 6: Final answer
   x = 18,385,255.00