Finding the Fourth Proportional to 11,828,422.80, 17,744,580.72 and 3,630,859.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,828,422.80 : 17,744,580.72 = 3,630,859.20 : x
2. Step 2: Convert to fraction form
   11,828,422.80/17,744,580.72 = 3,630,859.20/x
3. Step 3: Cross multiply
   11,828,422.80x = 17,744,580.72 × 3,630,859.20
4. Step 4: Simplify right side
   11,828,422.80x = 64,428,074,157,354.62
5. Step 5: Solve for x
   x = 64,428,074,157,354.62/11,828,422.80
6. Step 6: Final answer
   x = 5,446,886.30