Finding the Fourth Proportional to 64,633,620.72, 89,090,201.56 and 43,718,025.90

Step by Step Solution

1. Step 1: Write the proportion equation
   64,633,620.72 : 89,090,201.56 = 43,718,025.90 : x
2. Step 2: Convert to fraction form
   64,633,620.72/89,090,201.56 = 43,718,025.90/x
3. Step 3: Cross multiply
   64,633,620.72x = 89,090,201.56 × 43,718,025.90
4. Step 4: Simplify right side
   64,633,620.72x = 3,894,847,739,236,300.50
5. Step 5: Solve for x
   x = 3,894,847,739,236,300.50/64,633,620.72
6. Step 6: Final answer
   x = 60,260,398.47