Finding the Fourth Proportional to 39,900,718, 55,063,014.42 and 22,259,620.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,900,718 : 55,063,014.42 = 22,259,620.63 : x
2. Step 2: Convert to fraction form
   39,900,718/55,063,014.42 = 22,259,620.63/x
3. Step 3: Cross multiply
   39,900,718x = 55,063,014.42 × 22,259,620.63
4. Step 4: Simplify right side
   39,900,718x = 1,225,681,811,733,419.50
5. Step 5: Solve for x
   x = 1,225,681,811,733,419.50/39,900,718
6. Step 6: Final answer
   x = 30,718,289.62