Finding the Fourth Proportional to 503,047.04, 754,488.55 and 147,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   503,047.04 : 754,488.55 = 147,978.02 : x
2. Step 2: Convert to fraction form
   503,047.04/754,488.55 = 147,978.02/x
3. Step 3: Cross multiply
   503,047.04x = 754,488.55 × 147,978.02
4. Step 4: Simplify right side
   503,047.04x = 111,647,721,741.67
5. Step 5: Solve for x
   x = 111,647,721,741.67/503,047.04
6. Step 6: Final answer
   x = 221,942.91