Finding the Fourth Proportional to 874,855.50, 1,207,300.59 and 472,447.50

Step by Step Solution

1. Step 1: Write the proportion equation
   874,855.50 : 1,207,300.59 = 472,447.50 : x
2. Step 2: Convert to fraction form
   874,855.50/1,207,300.59 = 472,447.50/x
3. Step 3: Cross multiply
   874,855.50x = 1,207,300.59 × 472,447.50
4. Step 4: Simplify right side
   874,855.50x = 570,386,145,494.03
5. Step 5: Solve for x
   x = 570,386,145,494.03/874,855.50
6. Step 6: Final answer
   x = 651,977.55