Finding the Fourth Proportional to 116,870.74, 161,281.68 and 63,155.77

Step by Step Solution

1. Step 1: Write the proportion equation
   116,870.74 : 161,281.68 = 63,155.77 : x
2. Step 2: Convert to fraction form
   116,870.74/161,281.68 = 63,155.77/x
3. Step 3: Cross multiply
   116,870.74x = 161,281.68 × 63,155.77
4. Step 4: Simplify right side
   116,870.74x = 10,185,868,687.29
5. Step 5: Solve for x
   x = 10,185,868,687.29/116,870.74
6. Step 6: Final answer
   x = 87,154.99