Finding the Fourth Proportional to 145,182.02, 200,356.88 and 99,337.83

Step by Step Solution

1. Step 1: Write the proportion equation
   145,182.02 : 200,356.88 = 99,337.83 : x
2. Step 2: Convert to fraction form
   145,182.02/200,356.88 = 99,337.83/x
3. Step 3: Cross multiply
   145,182.02x = 200,356.88 × 99,337.83
4. Step 4: Simplify right side
   145,182.02x = 19,903,016,436.74
5. Step 5: Solve for x
   x = 19,903,016,436.74/145,182.02
6. Step 6: Final answer
   x = 137,090.09