Finding the Fourth Proportional to 52,476.31, 72,417.41 and 28,602.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,476.31 : 72,417.41 = 28,602.98 : x
2. Step 2: Convert to fraction form
   52,476.31/72,417.41 = 28,602.98/x
3. Step 3: Cross multiply
   52,476.31x = 72,417.41 × 28,602.98
4. Step 4: Simplify right side
   52,476.31x = 2,071,353,729.88
5. Step 5: Solve for x
   x = 2,071,353,729.88/52,476.31
6. Step 6: Final answer
   x = 39,472.17