Finding the Fourth Proportional to 707,123.41, 975,811.59 and 384,826.60

Step by Step Solution

1. Step 1: Write the proportion equation
   707,123.41 : 975,811.59 = 384,826.60 : x
2. Step 2: Convert to fraction form
   707,123.41/975,811.59 = 384,826.60/x
3. Step 3: Cross multiply
   707,123.41x = 975,811.59 × 384,826.60
4. Step 4: Simplify right side
   707,123.41x = 375,518,256,420.29
5. Step 5: Solve for x
   x = 375,518,256,420.29/707,123.41
6. Step 6: Final answer
   x = 531,050.52