Finding the Fourth Proportional to 11,274,258.24, 16,910,784.72 and 3,987,213.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,274,258.24 : 16,910,784.72 = 3,987,213.12 : x
2. Step 2: Convert to fraction form
   11,274,258.24/16,910,784.72 = 3,987,213.12/x
3. Step 3: Cross multiply
   11,274,258.24x = 16,910,784.72 × 3,987,213.12
4. Step 4: Simplify right side
   11,274,258.24x = 67,426,902,705,079.52
5. Step 5: Solve for x
   x = 67,426,902,705,079.52/11,274,258.24
6. Step 6: Final answer
   x = 5,980,606.55