Finding the Fourth Proportional to 9,151,503.03, 12,629,069.31 and 5,021,561.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151,503.03 : 12,629,069.31 = 5,021,561.31 : x
2. Step 2: Convert to fraction form
   9,151,503.03/12,629,069.31 = 5,021,561.31/x
3. Step 3: Cross multiply
   9,151,503.03x = 12,629,069.31 × 5,021,561.31
4. Step 4: Simplify right side
   9,151,503.03x = 63,417,645,828,404.39
5. Step 5: Solve for x
   x = 63,417,645,828,404.39/9,151,503.03
6. Step 6: Final answer
   x = 6,929,751.93