Finding the Fourth Proportional to 52,302.72, 72,177.86 and 28,429.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,302.72 : 72,177.86 = 28,429.34 : x
2. Step 2: Convert to fraction form
   52,302.72/72,177.86 = 28,429.34/x
3. Step 3: Cross multiply
   52,302.72x = 72,177.86 × 28,429.34
4. Step 4: Simplify right side
   52,302.72x = 2,051,968,419.38
5. Step 5: Solve for x
   x = 2,051,968,419.38/52,302.72
6. Step 6: Final answer
   x = 39,232.54