Finding the Fourth Proportional to 52,291.17, 72,156.42 and 31,066.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,291.17 : 72,156.42 = 31,066.34 : x
2. Step 2: Convert to fraction form
   52,291.17/72,156.42 = 31,066.34/x
3. Step 3: Cross multiply
   52,291.17x = 72,156.42 × 31,066.34
4. Step 4: Simplify right side
   52,291.17x = 2,241,635,516.12
5. Step 5: Solve for x
   x = 2,241,635,516.12/52,291.17
6. Step 6: Final answer
   x = 42,868.34