Finding the Fourth Proportional to 102,111.60, 153,167.46 and 31,996.38

Step by Step Solution

1. Step 1: Write the proportion equation
   102,111.60 : 153,167.46 = 31,996.38 : x
2. Step 2: Convert to fraction form
   102,111.60/153,167.46 = 31,996.38/x
3. Step 3: Cross multiply
   102,111.60x = 153,167.46 × 31,996.38
4. Step 4: Simplify right side
   102,111.60x = 4,900,804,253.79
5. Step 5: Solve for x
   x = 4,900,804,253.79/102,111.60
6. Step 6: Final answer
   x = 47,994.59