Finding the Fourth Proportional to 22,526,446.52, 31,087,151.97 and 12,736,680.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,526,446.52 : 31,087,151.97 = 12,736,680.51 : x
2. Step 2: Convert to fraction form
   22,526,446.52/31,087,151.97 = 12,736,680.51/x
3. Step 3: Cross multiply
   22,526,446.52x = 31,087,151.97 × 12,736,680.51
4. Step 4: Simplify right side
   22,526,446.52x = 395,947,122,607,707.06
5. Step 5: Solve for x
   x = 395,947,122,607,707.06/22,526,446.52
6. Step 6: Final answer
   x = 17,576,989.89