Finding the Fourth Proportional to 64,773.96, 89,386.86 and 35,305.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,773.96 : 89,386.86 = 35,305.94 : x
2. Step 2: Convert to fraction form
   64,773.96/89,386.86 = 35,305.94/x
3. Step 3: Cross multiply
   64,773.96x = 89,386.86 × 35,305.94
4. Step 4: Simplify right side
   64,773.96x = 3,155,887,339.42
5. Step 5: Solve for x
   x = 3,155,887,339.42/64,773.96
6. Step 6: Final answer
   x = 48,721.55