Finding the Fourth Proportional to 10,404,518.17, 15,589,737.79 and 5,541,663.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404,518.17 : 15,589,737.79 = 5,541,663.55 : x
2. Step 2: Convert to fraction form
   10,404,518.17/15,589,737.79 = 5,541,663.55/x
3. Step 3: Cross multiply
   10,404,518.17x = 15,589,737.79 × 5,541,663.55
4. Step 4: Simplify right side
   10,404,518.17x = 86,393,081,664,900.55
5. Step 5: Solve for x
   x = 86,393,081,664,900.55/10,404,518.17
6. Step 6: Final answer
   x = 8,303,419.75