Finding the Fourth Proportional to 52,885.71, 79,222.80 and 31,814.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,885.71 : 79,222.80 = 31,814.10 : x
2. Step 2: Convert to fraction form
   52,885.71/79,222.80 = 31,814.10/x
3. Step 3: Cross multiply
   52,885.71x = 79,222.80 × 31,814.10
4. Step 4: Simplify right side
   52,885.71x = 2,520,402,081.48
5. Step 5: Solve for x
   x = 2,520,402,081.48/52,885.71
6. Step 6: Final answer
   x = 47,657.53