Finding the Fourth Proportional to 22,926,862.72, 31,639,069.48 and 12,613,364.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,926,862.72 : 31,639,069.48 = 12,613,364.38 : x
2. Step 2: Convert to fraction form
   22,926,862.72/31,639,069.48 = 12,613,364.38/x
3. Step 3: Cross multiply
   22,926,862.72x = 31,639,069.48 × 12,613,364.38
4. Step 4: Simplify right side
   22,926,862.72x = 399,075,111,805,648.38
5. Step 5: Solve for x
   x = 399,075,111,805,648.38/22,926,862.72
6. Step 6: Final answer
   x = 17,406,442.25