Finding the Fourth Proportional to 13,405,562.05, 18,499,130.90 and 7,604,219.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,405,562.05 : 18,499,130.90 = 7,604,219.23 : x
2. Step 2: Convert to fraction form
   13,405,562.05/18,499,130.90 = 7,604,219.23/x
3. Step 3: Cross multiply
   13,405,562.05x = 18,499,130.90 × 7,604,219.23
4. Step 4: Simplify right side
   13,405,562.05x = 140,671,446,976,371.72
5. Step 5: Solve for x
   x = 140,671,446,976,371.72/13,405,562.05
6. Step 6: Final answer
   x = 10,493,513.55