Finding the Fourth Proportional to 108,435.72, 149,642.06 and 60,693.51

Step by Step Solution

1. Step 1: Write the proportion equation
   108,435.72 : 149,642.06 = 60,693.51 : x
2. Step 2: Convert to fraction form
   108,435.72/149,642.06 = 60,693.51/x
3. Step 3: Cross multiply
   108,435.72x = 149,642.06 × 60,693.51
4. Step 4: Simplify right side
   108,435.72x = 9,082,301,561.56
5. Step 5: Solve for x
   x = 9,082,301,561.56/108,435.72
6. Step 6: Final answer
   x = 83,757.47