Finding the Fourth Proportional to 52,812.21, 72,853.59 and 35,810.70

Step by Step Solution

1. Step 1: Write the proportion equation
   52,812.21 : 72,853.59 = 35,810.70 : x
2. Step 2: Convert to fraction form
   52,812.21/72,853.59 = 35,810.70/x
3. Step 3: Cross multiply
   52,812.21x = 72,853.59 × 35,810.70
4. Step 4: Simplify right side
   52,812.21x = 2,608,938,055.41
5. Step 5: Solve for x
   x = 2,608,938,055.41/52,812.21
6. Step 6: Final answer
   x = 49,400.28