Finding the Fourth Proportional to 109,411.58, 163,942.38 and 98,913.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,411.58 : 163,942.38 = 98,913.98 : x
2. Step 2: Convert to fraction form
   109,411.58/163,942.38 = 98,913.98/x
3. Step 3: Cross multiply
   109,411.58x = 163,942.38 × 98,913.98
4. Step 4: Simplify right side
   109,411.58x = 16,216,193,296.47
5. Step 5: Solve for x
   x = 16,216,193,296.47/109,411.58
6. Step 6: Final answer
   x = 148,212.77