Finding the Fourth Proportional to 111,263.92, 165,903.43 and 98,900.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,263.92 : 165,903.43 = 98,900.08 : x
2. Step 2: Convert to fraction form
   111,263.92/165,903.43 = 98,900.08/x
3. Step 3: Cross multiply
   111,263.92x = 165,903.43 × 98,900.08
4. Step 4: Simplify right side
   111,263.92x = 16,407,862,499.27
5. Step 5: Solve for x
   x = 16,407,862,499.27/111,263.92
6. Step 6: Final answer
   x = 147,467.95