Finding the Fourth Proportional to 111,298.50, 153,591.93 and 60,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,298.50 : 153,591.93 = 60,997.50 : x
2. Step 2: Convert to fraction form
   111,298.50/153,591.93 = 60,997.50/x
3. Step 3: Cross multiply
   111,298.50x = 153,591.93 × 60,997.50
4. Step 4: Simplify right side
   111,298.50x = 9,368,723,750.18
5. Step 5: Solve for x
   x = 9,368,723,750.18/111,298.50
6. Step 6: Final answer
   x = 84,176.55