Finding the Fourth Proportional to 72,543,749.30, 108,673,906.35 and 43,704,217.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,543,749.30 : 108,673,906.35 = 43,704,217.70 : x
2. Step 2: Convert to fraction form
   72,543,749.30/108,673,906.35 = 43,704,217.70/x
3. Step 3: Cross multiply
   72,543,749.30x = 108,673,906.35 × 43,704,217.70
4. Step 4: Simplify right side
   72,543,749.30x = 4,749,508,061,429,812
5. Step 5: Solve for x
   x = 4,749,508,061,429,812/72,543,749.30
6. Step 6: Final answer
   x = 65,470,948.32