Finding the Fourth Proportional to 85,300.62, 117,715.06 and 47,577.30

Step by Step Solution

1. Step 1: Write the proportion equation
   85,300.62 : 117,715.06 = 47,577.30 : x
2. Step 2: Convert to fraction form
   85,300.62/117,715.06 = 47,577.30/x
3. Step 3: Cross multiply
   85,300.62x = 117,715.06 × 47,577.30
4. Step 4: Simplify right side
   85,300.62x = 5,600,564,724.14
5. Step 5: Solve for x
   x = 5,600,564,724.14/85,300.62
6. Step 6: Final answer
   x = 65,656.79