Finding the Fourth Proportional to 111,288.02, 153,576.69 and 60,985.94

Step by Step Solution

1. Step 1: Write the proportion equation
   111,288.02 : 153,576.69 = 60,985.94 : x
2. Step 2: Convert to fraction form
   111,288.02/153,576.69 = 60,985.94/x
3. Step 3: Cross multiply
   111,288.02x = 153,576.69 × 60,985.94
4. Step 4: Simplify right side
   111,288.02x = 9,366,018,801.74
5. Step 5: Solve for x
   x = 9,366,018,801.74/111,288.02
6. Step 6: Final answer
   x = 84,160.17