Finding the Fourth Proportional to 22,931,107.49, 31,645,801.51 and 13,143,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,931,107.49 : 31,645,801.51 = 13,143,440.50 : x
2. Step 2: Convert to fraction form
   22,931,107.49/31,645,801.51 = 13,143,440.50/x
3. Step 3: Cross multiply
   22,931,107.49x = 31,645,801.51 × 13,143,440.50
4. Step 4: Simplify right side
   22,931,107.49x = 415,934,709,109,522.06
5. Step 5: Solve for x
   x = 415,934,709,109,522.06/22,931,107.49
6. Step 6: Final answer
   x = 18,138,448.36