Finding the Fourth Proportional to 91,288.89, 136,933.31 and 34,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,288.89 : 136,933.31 = 34,373.50 : x
2. Step 2: Convert to fraction form
   91,288.89/136,933.31 = 34,373.50/x
3. Step 3: Cross multiply
   91,288.89x = 136,933.31 × 34,373.50
4. Step 4: Simplify right side
   91,288.89x = 4,706,876,874.89
5. Step 5: Solve for x
   x = 4,706,876,874.89/91,288.89
6. Step 6: Final answer
   x = 51,560.24