Finding the Fourth Proportional to 116,826.30, 161,220.17 and 63,111.32

Step by Step Solution

1. Step 1: Write the proportion equation
   116,826.30 : 161,220.17 = 63,111.32 : x
2. Step 2: Convert to fraction form
   116,826.30/161,220.17 = 63,111.32/x
3. Step 3: Cross multiply
   116,826.30x = 161,220.17 × 63,111.32
4. Step 4: Simplify right side
   116,826.30x = 10,174,817,695.58
5. Step 5: Solve for x
   x = 10,174,817,695.58/116,826.30
6. Step 6: Final answer
   x = 87,093.55