Finding the Fourth Proportional to 12,801,089.71, 19,201,654 and 5,228,055.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801,089.71 : 19,201,654 = 5,228,055.46 : x
2. Step 2: Convert to fraction form
   12,801,089.71/19,201,654 = 5,228,055.46/x
3. Step 3: Cross multiply
   12,801,089.71x = 19,201,654 × 5,228,055.46
4. Step 4: Simplify right side
   12,801,089.71x = 100,387,311,939,722.58
5. Step 5: Solve for x
   x = 100,387,311,939,722.58/12,801,089.71
6. Step 6: Final answer
   x = 7,842,091.12