Finding the Fourth Proportional to 45,775.61, 63,167.15 and 30,665.82

Step by Step Solution

1. Step 1: Write the proportion equation
   45,775.61 : 63,167.15 = 30,665.82 : x
2. Step 2: Convert to fraction form
   45,775.61/63,167.15 = 30,665.82/x
3. Step 3: Cross multiply
   45,775.61x = 63,167.15 × 30,665.82
4. Step 4: Simplify right side
   45,775.61x = 1,937,072,528.48
5. Step 5: Solve for x
   x = 1,937,072,528.48/45,775.61
6. Step 6: Final answer
   x = 42,316.70