Finding the Fourth Proportional to 13,240,128.93, 19,860,164.01 and 3,524,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,240,128.93 : 19,860,164.01 = 3,524,744.31 : x
2. Step 2: Convert to fraction form
   13,240,128.93/19,860,164.01 = 3,524,744.31/x
3. Step 3: Cross multiply
   13,240,128.93x = 19,860,164.01 × 3,524,744.31
4. Step 4: Simplify right side
   13,240,128.93x = 70,002,000,089,914.29
5. Step 5: Solve for x
   x = 70,002,000,089,914.29/13,240,128.93
6. Step 6: Final answer
   x = 5,287,108.64