Finding the Fourth Proportional to 52,830.06, 72,911.49 and 30,172.29

Step by Step Solution

1. Step 1: Write the proportion equation
   52,830.06 : 72,911.49 = 30,172.29 : x
2. Step 2: Convert to fraction form
   52,830.06/72,911.49 = 30,172.29/x
3. Step 3: Cross multiply
   52,830.06x = 72,911.49 × 30,172.29
4. Step 4: Simplify right side
   52,830.06x = 2,199,906,620.61
5. Step 5: Solve for x
   x = 2,199,906,620.61/52,830.06
6. Step 6: Final answer
   x = 41,641.19