Finding the Fourth Proportional to 64,645,142.33, 89,212,180.53 and 35,278,366.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,645,142.33 : 89,212,180.53 = 35,278,366.56 : x
2. Step 2: Convert to fraction form
   64,645,142.33/89,212,180.53 = 35,278,366.56/x
3. Step 3: Cross multiply
   64,645,142.33x = 89,212,180.53 × 35,278,366.56
4. Step 4: Simplify right side
   64,645,142.33x = 3,147,260,005,953,542.50
5. Step 5: Solve for x
   x = 3,147,260,005,953,542.50/64,645,142.33
6. Step 6: Final answer
   x = 48,685,174.05