Finding the Fourth Proportional to 9,989,500.49, 14,978,182.94 and 3,916,956.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,989,500.49 : 14,978,182.94 = 3,916,956.81 : x
2. Step 2: Convert to fraction form
   9,989,500.49/14,978,182.94 = 3,916,956.81/x
3. Step 3: Cross multiply
   9,989,500.49x = 14,978,182.94 × 3,916,956.81
4. Step 4: Simplify right side
   9,989,500.49x = 58,668,895,668,258.82
5. Step 5: Solve for x
   x = 58,668,895,668,258.82/9,989,500.49
6. Step 6: Final answer
   x = 5,873,055.99