Finding the Fourth Proportional to 97,983.07, 146,972.18 and 31,427.89

Step by Step Solution

1. Step 1: Write the proportion equation
   97,983.07 : 146,972.18 = 31,427.89 : x
2. Step 2: Convert to fraction form
   97,983.07/146,972.18 = 31,427.89/x
3. Step 3: Cross multiply
   97,983.07x = 146,972.18 × 31,427.89
4. Step 4: Simplify right side
   97,983.07x = 4,619,025,348.96
5. Step 5: Solve for x
   x = 4,619,025,348.96/97,983.07
6. Step 6: Final answer
   x = 47,141.06