Finding the Fourth Proportional to 91,290.39, 136,935.56 and 34,375.01

Step by Step Solution

1. Step 1: Write the proportion equation
   91,290.39 : 136,935.56 = 34,375.01 : x
2. Step 2: Convert to fraction form
   91,290.39/136,935.56 = 34,375.01/x
3. Step 3: Cross multiply
   91,290.39x = 136,935.56 × 34,375.01
4. Step 4: Simplify right side
   91,290.39x = 4,707,160,387.80
5. Step 5: Solve for x
   x = 4,707,160,387.80/91,290.39
6. Step 6: Final answer
   x = 51,562.50