Finding the Fourth Proportional to 468,061.33, 645,924.31 and 253,201.57

Step by Step Solution

1. Step 1: Write the proportion equation
   468,061.33 : 645,924.31 = 253,201.57 : x
2. Step 2: Convert to fraction form
   468,061.33/645,924.31 = 253,201.57/x
3. Step 3: Cross multiply
   468,061.33x = 645,924.31 × 253,201.57
4. Step 4: Simplify right side
   468,061.33x = 163,549,044,897.54
5. Step 5: Solve for x
   x = 163,549,044,897.54/468,061.33
6. Step 6: Final answer
   x = 349,417.98