Finding the Fourth Proportional to 12,801,075.49, 19,201,632.72 and 5,228,041.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801,075.49 : 19,201,632.72 = 5,228,041.24 : x
2. Step 2: Convert to fraction form
   12,801,075.49/19,201,632.72 = 5,228,041.24/x
3. Step 3: Cross multiply
   12,801,075.49x = 19,201,632.72 × 5,228,041.24
4. Step 4: Simplify right side
   12,801,075.49x = 100,386,927,739,890.25
5. Step 5: Solve for x
   x = 100,386,927,739,890.25/12,801,075.49
6. Step 6: Final answer
   x = 7,842,069.82