Finding the Fourth Proportional to 11,009,141.10, 16,509,504.18 and 3,621,469.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,009,141.10 : 16,509,504.18 = 3,621,469.91 : x
2. Step 2: Convert to fraction form
   11,009,141.10/16,509,504.18 = 3,621,469.91/x
3. Step 3: Cross multiply
   11,009,141.10x = 16,509,504.18 × 3,621,469.91
4. Step 4: Simplify right side
   11,009,141.10x = 59,788,672,534,341.70
5. Step 5: Solve for x
   x = 59,788,672,534,341.70/11,009,141.10
6. Step 6: Final answer
   x = 5,430,820.81