Finding the Fourth Proportional to 52,302.42, 72,187.83 and 31,077.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,302.42 : 72,187.83 = 31,077.59 : x
2. Step 2: Convert to fraction form
   52,302.42/72,187.83 = 31,077.59/x
3. Step 3: Cross multiply
   52,302.42x = 72,187.83 × 31,077.59
4. Step 4: Simplify right side
   52,302.42x = 2,243,423,422.79
5. Step 5: Solve for x
   x = 2,243,423,422.79/52,302.42
6. Step 6: Final answer
   x = 42,893.30