Finding the Fourth Proportional to 99,262.01, 136,993.22 and 58,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,262.01 : 136,993.22 = 58,976.10 : x
2. Step 2: Convert to fraction form
   99,262.01/136,993.22 = 58,976.10/x
3. Step 3: Cross multiply
   99,262.01x = 136,993.22 × 58,976.10
4. Step 4: Simplify right side
   99,262.01x = 8,079,326,100.06
5. Step 5: Solve for x
   x = 8,079,326,100.06/99,262.01
6. Step 6: Final answer
   x = 81,393.94