Finding the Fourth Proportional to 105,064.06, 144,977.37 and 64,795.93

Step by Step Solution

1. Step 1: Write the proportion equation
   105,064.06 : 144,977.37 = 64,795.93 : x
2. Step 2: Convert to fraction form
   105,064.06/144,977.37 = 64,795.93/x
3. Step 3: Cross multiply
   105,064.06x = 144,977.37 × 64,795.93
4. Step 4: Simplify right side
   105,064.06x = 9,393,943,518.10
5. Step 5: Solve for x
   x = 9,393,943,518.10/105,064.06
6. Step 6: Final answer
   x = 89,411.58