Finding the Fourth Proportional to 91,036.26, 125,558.82 and 59,215.32

Step by Step Solution

1. Step 1: Write the proportion equation
   91,036.26 : 125,558.82 = 59,215.32 : x
2. Step 2: Convert to fraction form
   91,036.26/125,558.82 = 59,215.32/x
3. Step 3: Cross multiply
   91,036.26x = 125,558.82 × 59,215.32
4. Step 4: Simplify right side
   91,036.26x = 7,435,005,705.12
5. Step 5: Solve for x
   x = 7,435,005,705.12/91,036.26
6. Step 6: Final answer
   x = 81,670.82