Finding the Fourth Proportional to 148,393.17, 204,786.33 and 91,064.15

Step by Step Solution

1. Step 1: Write the proportion equation
   148,393.17 : 204,786.33 = 91,064.15 : x
2. Step 2: Convert to fraction form
   148,393.17/204,786.33 = 91,064.15/x
3. Step 3: Cross multiply
   148,393.17x = 204,786.33 × 91,064.15
4. Step 4: Simplify right side
   148,393.17x = 18,648,693,926.53
5. Step 5: Solve for x
   x = 18,648,693,926.53/148,393.17
6. Step 6: Final answer
   x = 125,670.84