Finding the Fourth Proportional to 111,573.02, 153,926.25 and 71,276.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,573.02 : 153,926.25 = 71,276.33 : x
2. Step 2: Convert to fraction form
   111,573.02/153,926.25 = 71,276.33/x
3. Step 3: Cross multiply
   111,573.02x = 153,926.25 × 71,276.33
4. Step 4: Simplify right side
   111,573.02x = 10,971,298,190.66
5. Step 5: Solve for x
   x = 10,971,298,190.66/111,573.02
6. Step 6: Final answer
   x = 98,332.90