Finding the Fourth Proportional to 64,797,372.72, 89,420,382.81 and 35,428,725.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,797,372.72 : 89,420,382.81 = 35,428,725.63 : x
2. Step 2: Convert to fraction form
   64,797,372.72/89,420,382.81 = 35,428,725.63/x
3. Step 3: Cross multiply
   64,797,372.72x = 89,420,382.81 × 35,428,725.63
4. Step 4: Simplify right side
   64,797,372.72x = 3,168,050,208,305,058.50
5. Step 5: Solve for x
   x = 3,168,050,208,305,058.50/64,797,372.72
6. Step 6: Final answer
   x = 48,891,645.99