Finding the Fourth Proportional to 111,186.82, 153,437.58 and 60,199.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,186.82 : 153,437.58 = 60,199.30 : x
2. Step 2: Convert to fraction form
   111,186.82/153,437.58 = 60,199.30/x
3. Step 3: Cross multiply
   111,186.82x = 153,437.58 × 60,199.30
4. Step 4: Simplify right side
   111,186.82x = 9,236,834,909.69
5. Step 5: Solve for x
   x = 9,236,834,909.69/111,186.82
6. Step 6: Final answer
   x = 83,074.91