Finding the Fourth Proportional to 22,758,536.28, 31,406,766.46 and 12,445,259.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,758,536.28 : 31,406,766.46 = 12,445,259.38 : x
2. Step 2: Convert to fraction form
   22,758,536.28/31,406,766.46 = 12,445,259.38/x
3. Step 3: Cross multiply
   22,758,536.28x = 31,406,766.46 × 12,445,259.38
4. Step 4: Simplify right side
   22,758,536.28x = 390,865,354,772,154.31
5. Step 5: Solve for x
   x = 390,865,354,772,154.31/22,758,536.28
6. Step 6: Final answer
   x = 17,174,450.50