Finding the Fourth Proportional to 71,844.84, 99,111.54 and 55,819.62

Step by Step Solution

1. Step 1: Write the proportion equation
   71,844.84 : 99,111.54 = 55,819.62 : x
2. Step 2: Convert to fraction form
   71,844.84/99,111.54 = 55,819.62/x
3. Step 3: Cross multiply
   71,844.84x = 99,111.54 × 55,819.62
4. Step 4: Simplify right side
   71,844.84x = 5,532,368,500.41
5. Step 5: Solve for x
   x = 5,532,368,500.41/71,844.84
6. Step 6: Final answer
   x = 77,004.40