Finding the Fourth Proportional to 508,641.52, 761,196.12 and 316,436.98

Step by Step Solution

1. Step 1: Write the proportion equation
   508,641.52 : 761,196.12 = 316,436.98 : x
2. Step 2: Convert to fraction form
   508,641.52/761,196.12 = 316,436.98/x
3. Step 3: Cross multiply
   508,641.52x = 761,196.12 × 316,436.98
4. Step 4: Simplify right side
   508,641.52x = 240,870,601,400.52
5. Step 5: Solve for x
   x = 240,870,601,400.52/508,641.52
6. Step 6: Final answer
   x = 473,556.70