Finding the Fourth Proportional to 79,700.86, 109,954.17 and 47,429.01

Step by Step Solution

1. Step 1: Write the proportion equation
   79,700.86 : 109,954.17 = 47,429.01 : x
2. Step 2: Convert to fraction form
   79,700.86/109,954.17 = 47,429.01/x
3. Step 3: Cross multiply
   79,700.86x = 109,954.17 × 47,429.01
4. Step 4: Simplify right side
   79,700.86x = 5,215,017,428.47
5. Step 5: Solve for x
   x = 5,215,017,428.47/79,700.86
6. Step 6: Final answer
   x = 65,432.39