Finding the Fourth Proportional to 569,100.64, 852,972.72 and 265,086.88

Step by Step Solution

1. Step 1: Write the proportion equation
   569,100.64 : 852,972.72 = 265,086.88 : x
2. Step 2: Convert to fraction form
   569,100.64/852,972.72 = 265,086.88/x
3. Step 3: Cross multiply
   569,100.64x = 852,972.72 × 265,086.88
4. Step 4: Simplify right side
   569,100.64x = 226,111,877,069.91
5. Step 5: Solve for x
   x = 226,111,877,069.91/569,100.64
6. Step 6: Final answer
   x = 397,314.40