Finding the Fourth Proportional to 85,623, 118,159.74 and 47,897.25

Step by Step Solution

1. Step 1: Write the proportion equation
   85,623 : 118,159.74 = 47,897.25 : x
2. Step 2: Convert to fraction form
   85,623/118,159.74 = 47,897.25/x
3. Step 3: Cross multiply
   85,623x = 118,159.74 × 47,897.25
4. Step 4: Simplify right side
   85,623x = 5,659,526,606.72
5. Step 5: Solve for x
   x = 5,659,526,606.72/85,623
6. Step 6: Final answer
   x = 66,098.21