Finding the Fourth Proportional to 101,991.01, 140,707.28 and 58,962.59

Step by Step Solution

1. Step 1: Write the proportion equation
   101,991.01 : 140,707.28 = 58,962.59 : x
2. Step 2: Convert to fraction form
   101,991.01/140,707.28 = 58,962.59/x
3. Step 3: Cross multiply
   101,991.01x = 140,707.28 × 58,962.59
4. Step 4: Simplify right side
   101,991.01x = 8,296,464,662.31
5. Step 5: Solve for x
   x = 8,296,464,662.31/101,991.01
6. Step 6: Final answer
   x = 81,345.06