Finding the Fourth Proportional to 22,926,870.34, 31,639,080 and 12,613,372

Step by Step Solution

1. Step 1: Write the proportion equation
   22,926,870.34 : 31,639,080 = 12,613,372 : x
2. Step 2: Convert to fraction form
   22,926,870.34/31,639,080 = 12,613,372/x
3. Step 3: Cross multiply
   22,926,870.34x = 31,639,080 × 12,613,372
4. Step 4: Simplify right side
   22,926,870.34x = 399,075,485,777,760
5. Step 5: Solve for x
   x = 399,075,485,777,760/22,926,870.34
6. Step 6: Final answer
   x = 17,406,452.77