Finding the Fourth Proportional to 85,617, 118,151.46 and 47,892.06

Step by Step Solution

1. Step 1: Write the proportion equation
   85,617 : 118,151.46 = 47,892.06 : x
2. Step 2: Convert to fraction form
   85,617/118,151.46 = 47,892.06/x
3. Step 3: Cross multiply
   85,617x = 118,151.46 × 47,892.06
4. Step 4: Simplify right side
   85,617x = 5,658,516,811.41
5. Step 5: Solve for x
   x = 5,658,516,811.41/85,617
6. Step 6: Final answer
   x = 66,091.04