Finding the Fourth Proportional to 40,396,661.87, 60,603,504.18 and 13,100,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,396,661.87 : 60,603,504.18 = 13,100,826.25 : x
2. Step 2: Convert to fraction form
   40,396,661.87/60,603,504.18 = 13,100,826.25/x
3. Step 3: Cross multiply
   40,396,661.87x = 60,603,504.18 × 13,100,826.25
4. Step 4: Simplify right side
   40,396,661.87x = 793,955,978,089,060.38
5. Step 5: Solve for x
   x = 793,955,978,089,060.38/40,396,661.87
6. Step 6: Final answer
   x = 19,653,999.65