Finding the Fourth Proportional to 147,530.93, 220,922.71 and 91,480.52

Step by Step Solution

1. Step 1: Write the proportion equation
   147,530.93 : 220,922.71 = 91,480.52 : x
2. Step 2: Convert to fraction form
   147,530.93/220,922.71 = 91,480.52/x
3. Step 3: Cross multiply
   147,530.93x = 220,922.71 × 91,480.52
4. Step 4: Simplify right side
   147,530.93x = 20,210,123,286.00
5. Step 5: Solve for x
   x = 20,210,123,286.00/147,530.93
6. Step 6: Final answer
   x = 136,989.06