Finding the Fourth Proportional to 447,111.10, 670,524.38 and 147,535.84

Step by Step Solution

1. Step 1: Write the proportion equation
   447,111.10 : 670,524.38 = 147,535.84 : x
2. Step 2: Convert to fraction form
   447,111.10/670,524.38 = 147,535.84/x
3. Step 3: Cross multiply
   447,111.10x = 670,524.38 × 147,535.84
4. Step 4: Simplify right side
   447,111.10x = 98,926,377,643.78
5. Step 5: Solve for x
   x = 98,926,377,643.78/447,111.10
6. Step 6: Final answer
   x = 221,256.81