Finding the Fourth Proportional to 22,290,661.42, 30,764,475.12 and 13,593,878.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,290,661.42 : 30,764,475.12 = 13,593,878.92 : x
2. Step 2: Convert to fraction form
   22,290,661.42/30,764,475.12 = 13,593,878.92/x
3. Step 3: Cross multiply
   22,290,661.42x = 30,764,475.12 × 13,593,878.92
4. Step 4: Simplify right side
   22,290,661.42x = 418,208,549,818,632.50
5. Step 5: Solve for x
   x = 418,208,549,818,632.50/22,290,661.42
6. Step 6: Final answer
   x = 18,761,603.43