Finding the Fourth Proportional to 19,765,025.33, 29,608,925.42 and 13,615,920.79

Step by Step Solution

1. Step 1: Write the proportion equation
   19,765,025.33 : 29,608,925.42 = 13,615,920.79 : x
2. Step 2: Convert to fraction form
   19,765,025.33/29,608,925.42 = 13,615,920.79/x
3. Step 3: Cross multiply
   19,765,025.33x = 29,608,925.42 × 13,615,920.79
4. Step 4: Simplify right side
   19,765,025.33x = 403,152,783,155,754.94
5. Step 5: Solve for x
   x = 403,152,783,155,754.94/19,765,025.33
6. Step 6: Final answer
   x = 20,397,281.39