Finding the Fourth Proportional to 10,931,741.20, 16,407,526.20 and 5,544,139.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931,741.20 : 16,407,526.20 = 5,544,139.60 : x
2. Step 2: Convert to fraction form
   10,931,741.20/16,407,526.20 = 5,544,139.60/x
3. Step 3: Cross multiply
   10,931,741.20x = 16,407,526.20 × 5,544,139.60
4. Step 4: Simplify right side
   10,931,741.20x = 90,965,615,743,457.52
5. Step 5: Solve for x
   x = 90,965,615,743,457.52/10,931,741.20
6. Step 6: Final answer
   x = 8,321,237.59