Finding the Fourth Proportional to 111,577.67, 153,977.00 and 61,276.67

Step by Step Solution

1. Step 1: Write the proportion equation
   111,577.67 : 153,977.00 = 61,276.67 : x
2. Step 2: Convert to fraction form
   111,577.67/153,977.00 = 61,276.67/x
3. Step 3: Cross multiply
   111,577.67x = 153,977.00 × 61,276.67
4. Step 4: Simplify right side
   111,577.67x = 9,435,196,740.32
5. Step 5: Solve for x
   x = 9,435,196,740.32/111,577.67
6. Step 6: Final answer
   x = 84,561.70