Finding the Fourth Proportional to 109,061.03, 163,679.03 and 56,485.55

Step by Step Solution

1. Step 1: Write the proportion equation
   109,061.03 : 163,679.03 = 56,485.55 : x
2. Step 2: Convert to fraction form
   109,061.03/163,679.03 = 56,485.55/x
3. Step 3: Cross multiply
   109,061.03x = 163,679.03 × 56,485.55
4. Step 4: Simplify right side
   109,061.03x = 9,245,500,371.61
5. Step 5: Solve for x
   x = 9,245,500,371.61/109,061.03
6. Step 6: Final answer
   x = 84,773.64