Finding the Fourth Proportional to 71,219, 98,228.76 and 59,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,219 : 98,228.76 = 59,948.72 : x
2. Step 2: Convert to fraction form
   71,219/98,228.76 = 59,948.72/x
3. Step 3: Cross multiply
   71,219x = 98,228.76 × 59,948.72
4. Step 4: Simplify right side
   71,219x = 5,888,688,429.19
5. Step 5: Solve for x
   x = 5,888,688,429.19/71,219
6. Step 6: Final answer
   x = 82,684.23