Finding the Fourth Proportional to 109,655.15, 151,348.10 and 69,422.55

Step by Step Solution

1. Step 1: Write the proportion equation
   109,655.15 : 151,348.10 = 69,422.55 : x
2. Step 2: Convert to fraction form
   109,655.15/151,348.10 = 69,422.55/x
3. Step 3: Cross multiply
   109,655.15x = 151,348.10 × 69,422.55
4. Step 4: Simplify right side
   109,655.15x = 10,506,970,692.54
5. Step 5: Solve for x
   x = 10,506,970,692.54/109,655.15
6. Step 6: Final answer
   x = 95,818.31