Finding the Fourth Proportional to 116,806.61, 161,196.33 and 71,483.77

Step by Step Solution

1. Step 1: Write the proportion equation
   116,806.61 : 161,196.33 = 71,483.77 : x
2. Step 2: Convert to fraction form
   116,806.61/161,196.33 = 71,483.77/x
3. Step 3: Cross multiply
   116,806.61x = 161,196.33 × 71,483.77
4. Step 4: Simplify right side
   116,806.61x = 11,522,920,539.30
5. Step 5: Solve for x
   x = 11,522,920,539.30/116,806.61
6. Step 6: Final answer
   x = 98,649.56