Finding the Fourth Proportional to 99,010.68, 148,456.71 and 31,513.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,010.68 : 148,456.71 = 31,513.56 : x
2. Step 2: Convert to fraction form
   99,010.68/148,456.71 = 31,513.56/x
3. Step 3: Cross multiply
   99,010.68x = 148,456.71 × 31,513.56
4. Step 4: Simplify right side
   99,010.68x = 4,678,399,662.95
5. Step 5: Solve for x
   x = 4,678,399,662.95/99,010.68
6. Step 6: Final answer
   x = 47,251.46