Finding the Fourth Proportional to 113,315.77, 156,388.62 and 64,922.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,315.77 : 156,388.62 = 64,922.32 : x
2. Step 2: Convert to fraction form
   113,315.77/156,388.62 = 64,922.32/x
3. Step 3: Cross multiply
   113,315.77x = 156,388.62 × 64,922.32
4. Step 4: Simplify right side
   113,315.77x = 10,153,112,032.00
5. Step 5: Solve for x
   x = 10,153,112,032.00/113,315.77
6. Step 6: Final answer
   x = 89,600.17