Finding the Fourth Proportional to 14,063,412.69, 21,200,526.72 and 13,125,969.45

Step by Step Solution

1. Step 1: Write the proportion equation
   14,063,412.69 : 21,200,526.72 = 13,125,969.45 : x
2. Step 2: Convert to fraction form
   14,063,412.69/21,200,526.72 = 13,125,969.45/x
3. Step 3: Cross multiply
   14,063,412.69x = 21,200,526.72 × 13,125,969.45
4. Step 4: Simplify right side
   14,063,412.69x = 278,277,466,050,628.69
5. Step 5: Solve for x
   x = 278,277,466,050,628.69/14,063,412.69
6. Step 6: Final answer
   x = 19,787,335.56