Finding the Fourth Proportional to 64,665,792.72, 89,225,472.38 and 37,158,406.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,665,792.72 : 89,225,472.38 = 37,158,406.56 : x
2. Step 2: Convert to fraction form
   64,665,792.72/89,225,472.38 = 37,158,406.56/x
3. Step 3: Cross multiply
   64,665,792.72x = 89,225,472.38 × 37,158,406.56
4. Step 4: Simplify right side
   64,665,792.72x = 3,315,476,378,204,091
5. Step 5: Solve for x
   x = 3,315,476,378,204,091/64,665,792.72
6. Step 6: Final answer
   x = 51,270,946.18