Finding the Fourth Proportional to 22,930,476.30, 31,640,444.37 and 13,139,036.73

Step by Step Solution

1. Step 1: Write the proportion equation
   22,930,476.30 : 31,640,444.37 = 13,139,036.73 : x
2. Step 2: Convert to fraction form
   22,930,476.30/31,640,444.37 = 13,139,036.73/x
3. Step 3: Cross multiply
   22,930,476.30x = 31,640,444.37 × 13,139,036.73
4. Step 4: Simplify right side
   22,930,476.30x = 415,724,960,730,951.75
5. Step 5: Solve for x
   x = 415,724,960,730,951.75/22,930,476.30
6. Step 6: Final answer
   x = 18,129,800.50