Finding the Fourth Proportional to 109,667.47, 151,476.05 and 79,404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,667.47 : 151,476.05 = 79,404.88 : x
2. Step 2: Convert to fraction form
   109,667.47/151,476.05 = 79,404.88/x
3. Step 3: Cross multiply
   109,667.47x = 151,476.05 × 79,404.88
4. Step 4: Simplify right side
   109,667.47x = 12,027,937,573.12
5. Step 5: Solve for x
   x = 12,027,937,573.12/109,667.47
6. Step 6: Final answer
   x = 109,676.44