Finding the Fourth Proportional to 61,776.99, 91,870.74 and 59,808.69

Step by Step Solution

1. Step 1: Write the proportion equation
   61,776.99 : 91,870.74 = 59,808.69 : x
2. Step 2: Convert to fraction form
   61,776.99/91,870.74 = 59,808.69/x
3. Step 3: Cross multiply
   61,776.99x = 91,870.74 × 59,808.69
4. Step 4: Simplify right side
   61,776.99x = 5,494,668,608.73
5. Step 5: Solve for x
   x = 5,494,668,608.73/61,776.99
6. Step 6: Final answer
   x = 88,943.61