Finding the Fourth Proportional to 10,003,111.35, 13,804,307.28 and 5,419,432.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003,111.35 : 13,804,307.28 = 5,419,432.73 : x
2. Step 2: Convert to fraction form
   10,003,111.35/13,804,307.28 = 5,419,432.73/x
3. Step 3: Cross multiply
   10,003,111.35x = 13,804,307.28 × 5,419,432.73
4. Step 4: Simplify right side
   10,003,111.35x = 74,811,514,619,187.73
5. Step 5: Solve for x
   x = 74,811,514,619,187.73/10,003,111.35
6. Step 6: Final answer
   x = 7,478,824.54