Finding the Fourth Proportional to 108,802.18, 150,108.52 and 71,098.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,802.18 : 150,108.52 = 71,098.30 : x
2. Step 2: Convert to fraction form
   108,802.18/150,108.52 = 71,098.30/x
3. Step 3: Cross multiply
   108,802.18x = 150,108.52 × 71,098.30
4. Step 4: Simplify right side
   108,802.18x = 10,672,460,232.02
5. Step 5: Solve for x
   x = 10,672,460,232.02/108,802.18
6. Step 6: Final answer
   x = 98,090.50