Finding the Fourth Proportional to 9,074,020.77, 12,519,462.33 and 5,399,991.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074,020.77 : 12,519,462.33 = 5,399,991.99 : x
2. Step 2: Convert to fraction form
   9,074,020.77/12,519,462.33 = 5,399,991.99/x
3. Step 3: Cross multiply
   9,074,020.77x = 12,519,462.33 × 5,399,991.99
4. Step 4: Simplify right side
   9,074,020.77x = 67,604,996,301,106.74
5. Step 5: Solve for x
   x = 67,604,996,301,106.74/9,074,020.77
6. Step 6: Final answer
   x = 7,450,390.30