Finding the Fourth Proportional to 12,801,091.40, 19,201,656.54 and 5,228,057.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801,091.40 : 19,201,656.54 = 5,228,057.15 : x
2. Step 2: Convert to fraction form
   12,801,091.40/19,201,656.54 = 5,228,057.15/x
3. Step 3: Cross multiply
   12,801,091.40x = 19,201,656.54 × 5,228,057.15
4. Step 4: Simplify right side
   12,801,091.40x = 100,387,357,643,642.69
5. Step 5: Solve for x
   x = 100,387,357,643,642.69/12,801,091.40
6. Step 6: Final answer
   x = 7,842,093.66