Finding the Fourth Proportional to 22,472,485.88, 31,012,908.72 and 12,683,268.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472,485.88 : 31,012,908.72 = 12,683,268.56 : x
2. Step 2: Convert to fraction form
   22,472,485.88/31,012,908.72 = 12,683,268.56/x
3. Step 3: Cross multiply
   22,472,485.88x = 31,012,908.72 × 12,683,268.56
4. Step 4: Simplify right side
   22,472,485.88x = 393,345,050,122,525.88
5. Step 5: Solve for x
   x = 393,345,050,122,525.88/22,472,485.88
6. Step 6: Final answer
   x = 17,503,406.26