Finding the Fourth Proportional to 43,156,708.60, 64,735,099.76 and 12,031,131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   43,156,708.60 : 64,735,099.76 = 12,031,131.82 : x
2. Step 2: Convert to fraction form
   43,156,708.60/64,735,099.76 = 12,031,131.82/x
3. Step 3: Cross multiply
   43,156,708.60x = 64,735,099.76 × 12,031,131.82
4. Step 4: Simplify right side
   43,156,708.60x = 778,836,518,593,410.38
5. Step 5: Solve for x
   x = 778,836,518,593,410.38/43,156,708.60
6. Step 6: Final answer
   x = 18,046,708.01