Finding the Fourth Proportional to 429,881.61, 593,189.52 and 248,566.10

Step by Step Solution

1. Step 1: Write the proportion equation
   429,881.61 : 593,189.52 = 248,566.10 : x
2. Step 2: Convert to fraction form
   429,881.61/593,189.52 = 248,566.10/x
3. Step 3: Cross multiply
   429,881.61x = 593,189.52 × 248,566.10
4. Step 4: Simplify right side
   429,881.61x = 147,446,807,030.25
5. Step 5: Solve for x
   x = 147,446,807,030.25/429,881.61
6. Step 6: Final answer
   x = 342,993.99