Finding the Fourth Proportional to 22,753,630.96, 31,400,308.56 and 12,440,365.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,753,630.96 : 31,400,308.56 = 12,440,365.90 : x
2. Step 2: Convert to fraction form
   22,753,630.96/31,400,308.56 = 12,440,365.90/x
3. Step 3: Cross multiply
   22,753,630.96x = 31,400,308.56 × 12,440,365.90
4. Step 4: Simplify right side
   22,753,630.96x = 390,631,327,859,302.12
5. Step 5: Solve for x
   x = 390,631,327,859,302.12/22,753,630.96
6. Step 6: Final answer
   x = 17,167,867.78