Finding the Fourth Proportional to 72,460.81, 99,953.49 and 45,560.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,460.81 : 99,953.49 = 45,560.71 : x
2. Step 2: Convert to fraction form
   72,460.81/99,953.49 = 45,560.71/x
3. Step 3: Cross multiply
   72,460.81x = 99,953.49 × 45,560.71
4. Step 4: Simplify right side
   72,460.81x = 4,553,951,971.38
5. Step 5: Solve for x
   x = 4,553,951,971.38/72,460.81
6. Step 6: Final answer
   x = 62,847.10