Finding the Fourth Proportional to 91,097.06, 136,454.22 and 57,799.98

Step by Step Solution

1. Step 1: Write the proportion equation
   91,097.06 : 136,454.22 = 57,799.98 : x
2. Step 2: Convert to fraction form
   91,097.06/136,454.22 = 57,799.98/x
3. Step 3: Cross multiply
   91,097.06x = 136,454.22 × 57,799.98
4. Step 4: Simplify right side
   91,097.06x = 7,887,051,186.92
5. Step 5: Solve for x
   x = 7,887,051,186.92/91,097.06
6. Step 6: Final answer
   x = 86,578.55