Finding the Fourth Proportional to 109,477.18, 151,079.60 and 61,078.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109,477.18 : 151,079.60 = 61,078.71 : x
2. Step 2: Convert to fraction form
   109,477.18/151,079.60 = 61,078.71/x
3. Step 3: Cross multiply
   109,477.18x = 151,079.60 × 61,078.71
4. Step 4: Simplify right side
   109,477.18x = 9,227,747,075.32
5. Step 5: Solve for x
   x = 9,227,747,075.32/109,477.18
6. Step 6: Final answer
   x = 84,289.23