Finding the Fourth Proportional to 111,664.50, 154,097.01 and 61,363.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,664.50 : 154,097.01 = 61,363.50 : x
2. Step 2: Convert to fraction form
   111,664.50/154,097.01 = 61,363.50/x
3. Step 3: Cross multiply
   111,664.50x = 154,097.01 × 61,363.50
4. Step 4: Simplify right side
   111,664.50x = 9,455,931,873.14
5. Step 5: Solve for x
   x = 9,455,931,873.14/111,664.50
6. Step 6: Final answer
   x = 84,681.63