Finding the Fourth Proportional to 123,916.76, 185,878.78 and 30,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,916.76 : 185,878.78 = 30,422.50 : x
2. Step 2: Convert to fraction form
   123,916.76/185,878.78 = 30,422.50/x
3. Step 3: Cross multiply
   123,916.76x = 185,878.78 × 30,422.50
4. Step 4: Simplify right side
   123,916.76x = 5,654,897,184.55
5. Step 5: Solve for x
   x = 5,654,897,184.55/123,916.76
6. Step 6: Final answer
   x = 45,634.64