Finding the Fourth Proportional to 22,472,483.88, 31,012,905.96 and 12,683,266.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472,483.88 : 31,012,905.96 = 12,683,266.56 : x
2. Step 2: Convert to fraction form
   22,472,483.88/31,012,905.96 = 12,683,266.56/x
3. Step 3: Cross multiply
   22,472,483.88x = 31,012,905.96 × 12,683,266.56
4. Step 4: Simplify right side
   22,472,483.88x = 393,344,953,090,892.75
5. Step 5: Solve for x
   x = 393,344,953,090,892.75/22,472,483.88
6. Step 6: Final answer
   x = 17,503,403.50