Finding the Fourth Proportional to 233,146.05, 349,718.27 and 99,939.93

Step by Step Solution

1. Step 1: Write the proportion equation
   233,146.05 : 349,718.27 = 99,939.93 : x
2. Step 2: Convert to fraction form
   233,146.05/349,718.27 = 99,939.93/x
3. Step 3: Cross multiply
   233,146.05x = 349,718.27 × 99,939.93
4. Step 4: Simplify right side
   233,146.05x = 34,950,818,923.82
5. Step 5: Solve for x
   x = 34,950,818,923.82/233,146.05
6. Step 6: Final answer
   x = 149,909.55