Finding the Fourth Proportional to 84,833.01, 116,994.42 and 64,641.53

Step by Step Solution

1. Step 1: Write the proportion equation
   84,833.01 : 116,994.42 = 64,641.53 : x
2. Step 2: Convert to fraction form
   84,833.01/116,994.42 = 64,641.53/x
3. Step 3: Cross multiply
   84,833.01x = 116,994.42 × 64,641.53
4. Step 4: Simplify right side
   84,833.01x = 7,562,697,725.29
5. Step 5: Solve for x
   x = 7,562,697,725.29/84,833.01
6. Step 6: Final answer
   x = 89,148.05