Finding the Fourth Proportional to 111,497.51, 153,867.69 and 60,510.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,497.51 : 153,867.69 = 60,510.69 : x
2. Step 2: Convert to fraction form
   111,497.51/153,867.69 = 60,510.69/x
3. Step 3: Cross multiply
   111,497.51x = 153,867.69 × 60,510.69
4. Step 4: Simplify right side
   111,497.51x = 9,310,640,090.61
5. Step 5: Solve for x
   x = 9,310,640,090.61/111,497.51
6. Step 6: Final answer
   x = 83,505.37