Finding the Fourth Proportional to 22,802,090.72, 31,467,394.56 and 13,012,340

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802,090.72 : 31,467,394.56 = 13,012,340 : x
2. Step 2: Convert to fraction form
   22,802,090.72/31,467,394.56 = 13,012,340/x
3. Step 3: Cross multiply
   22,802,090.72x = 31,467,394.56 × 13,012,340
4. Step 4: Simplify right side
   22,802,090.72x = 409,464,436,928,870.38
5. Step 5: Solve for x
   x = 409,464,436,928,870.38/22,802,090.72
6. Step 6: Final answer
   x = 17,957,319.88