Finding the Fourth Proportional to 7,901.91, 11,848.89 and 2,635.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,901.91 : 11,848.89 = 2,635.05 : x
2. Step 2: Convert to fraction form
   7,901.91/11,848.89 = 2,635.05/x
3. Step 3: Cross multiply
   7,901.91x = 11,848.89 × 2,635.05
4. Step 4: Simplify right side
   7,901.91x = 31,222,417.59
5. Step 5: Solve for x
   x = 31,222,417.59/7,901.91
6. Step 6: Final answer
   x = 3,951.25