Finding the Fourth Proportional to 10,918,150.10, 16,377,225.15 and 5,235,449.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,918,150.10 : 16,377,225.15 = 5,235,449.30 : x
2. Step 2: Convert to fraction form
   10,918,150.10/16,377,225.15 = 5,235,449.30/x
3. Step 3: Cross multiply
   10,918,150.10x = 16,377,225.15 × 5,235,449.30
4. Step 4: Simplify right side
   10,918,150.10x = 85,742,131,947,509.89
5. Step 5: Solve for x
   x = 85,742,131,947,509.89/10,918,150.10
6. Step 6: Final answer
   x = 7,853,173.95