Finding the Fourth Proportional to 111,417.91, 153,756.01 and 60,431.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,417.91 : 153,756.01 = 60,431.86 : x
2. Step 2: Convert to fraction form
   111,417.91/153,756.01 = 60,431.86/x
3. Step 3: Cross multiply
   111,417.91x = 153,756.01 × 60,431.86
4. Step 4: Simplify right side
   111,417.91x = 9,291,761,670.48
5. Step 5: Solve for x
   x = 9,291,761,670.48/111,417.91
6. Step 6: Final answer
   x = 83,395.58