Finding the Fourth Proportional to 105,077.95, 145,001.64 and 59,766.97

Step by Step Solution

1. Step 1: Write the proportion equation
   105,077.95 : 145,001.64 = 59,766.97 : x
2. Step 2: Convert to fraction form
   105,077.95/145,001.64 = 59,766.97/x
3. Step 3: Cross multiply
   105,077.95x = 145,001.64 × 59,766.97
4. Step 4: Simplify right side
   105,077.95x = 8,666,308,667.83
5. Step 5: Solve for x
   x = 8,666,308,667.83/105,077.95
6. Step 6: Final answer
   x = 82,475.05