Finding the Fourth Proportional to 10,503,139.94, 15,748,410.63 and 4,816,240.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503,139.94 : 15,748,410.63 = 4,816,240.10 : x
2. Step 2: Convert to fraction form
   10,503,139.94/15,748,410.63 = 4,816,240.10/x
3. Step 3: Cross multiply
   10,503,139.94x = 15,748,410.63 × 4,816,240.10
4. Step 4: Simplify right side
   10,503,139.94x = 75,848,126,787,472.27
5. Step 5: Solve for x
   x = 75,848,126,787,472.27/10,503,139.94
6. Step 6: Final answer
   x = 7,221,471.60