Finding the Fourth Proportional to 132,476.31, 182,818.89 and 72,048.47

Step by Step Solution

1. Step 1: Write the proportion equation
   132,476.31 : 182,818.89 = 72,048.47 : x
2. Step 2: Convert to fraction form
   132,476.31/182,818.89 = 72,048.47/x
3. Step 3: Cross multiply
   132,476.31x = 182,818.89 × 72,048.47
4. Step 4: Simplify right side
   132,476.31x = 13,171,820,397.50
5. Step 5: Solve for x
   x = 13,171,820,397.50/132,476.31
6. Step 6: Final answer
   x = 99,427.74