Finding the Fourth Proportional to 11,123,622.88, 15,342,669.28 and 10,208,800.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123,622.88 : 15,342,669.28 = 10,208,800.96 : x
2. Step 2: Convert to fraction form
   11,123,622.88/15,342,669.28 = 10,208,800.96/x
3. Step 3: Cross multiply
   11,123,622.88x = 15,342,669.28 × 10,208,800.96
4. Step 4: Simplify right side
   11,123,622.88x = 156,630,256,874,626.53
5. Step 5: Solve for x
   x = 156,630,256,874,626.53/11,123,622.88
6. Step 6: Final answer
   x = 14,080,867.23