Finding the Fourth Proportional to 52,475.82, 72,417.78 and 28,603.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,475.82 : 72,417.78 = 28,603.68 : x
2. Step 2: Convert to fraction form
   52,475.82/72,417.78 = 28,603.68/x
3. Step 3: Cross multiply
   52,475.82x = 72,417.78 × 28,603.68
4. Step 4: Simplify right side
   52,475.82x = 2,071,415,005.43
5. Step 5: Solve for x
   x = 2,071,415,005.43/52,475.82
6. Step 6: Final answer
   x = 39,473.70