Finding the Fourth Proportional to 97,697.31, 146,541.39 and 40,747.69

Step by Step Solution

1. Step 1: Write the proportion equation
   97,697.31 : 146,541.39 = 40,747.69 : x
2. Step 2: Convert to fraction form
   97,697.31/146,541.39 = 40,747.69/x
3. Step 3: Cross multiply
   97,697.31x = 146,541.39 × 40,747.69
4. Step 4: Simplify right side
   97,697.31x = 5,971,223,131.89
5. Step 5: Solve for x
   x = 5,971,223,131.89/97,697.31
6. Step 6: Final answer
   x = 61,119.63