Finding the Fourth Proportional to 113,054.21, 156,007.01 and 62,749.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,054.21 : 156,007.01 = 62,749.25 : x
2. Step 2: Convert to fraction form
   113,054.21/156,007.01 = 62,749.25/x
3. Step 3: Cross multiply
   113,054.21x = 156,007.01 × 62,749.25
4. Step 4: Simplify right side
   113,054.21x = 9,789,322,558.50
5. Step 5: Solve for x
   x = 9,789,322,558.50/113,054.21
6. Step 6: Final answer
   x = 86,589.63