Finding the Fourth Proportional to 99,667.86, 149,501.31 and 33,112.98

Step by Step Solution

1. Step 1: Write the proportion equation
   99,667.86 : 149,501.31 = 33,112.98 : x
2. Step 2: Convert to fraction form
   99,667.86/149,501.31 = 33,112.98/x
3. Step 3: Cross multiply
   99,667.86x = 149,501.31 × 33,112.98
4. Step 4: Simplify right side
   99,667.86x = 4,950,433,888.00
5. Step 5: Solve for x
   x = 4,950,433,888.00/99,667.86
6. Step 6: Final answer
   x = 49,669.31