Finding the Fourth Proportional to 52,475.32, 72,417.09 and 28,603.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,475.32 : 72,417.09 = 28,603.18 : x
2. Step 2: Convert to fraction form
   52,475.32/72,417.09 = 28,603.18/x
3. Step 3: Cross multiply
   52,475.32x = 72,417.09 × 28,603.18
4. Step 4: Simplify right side
   52,475.32x = 2,071,359,060.35
5. Step 5: Solve for x
   x = 2,071,359,060.35/52,475.32
6. Step 6: Final answer
   x = 39,473.01