Finding the Fourth Proportional to 52,870.68, 72,975.42 and 31,666.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,870.68 : 72,975.42 = 31,666.52 : x
2. Step 2: Convert to fraction form
   52,870.68/72,975.42 = 31,666.52/x
3. Step 3: Cross multiply
   52,870.68x = 72,975.42 × 31,666.52
4. Step 4: Simplify right side
   52,870.68x = 2,310,877,596.94
5. Step 5: Solve for x
   x = 2,310,877,596.94/52,870.68
6. Step 6: Final answer
   x = 43,708.11