Finding the Fourth Proportional to 112,003.25, 154,564.43 and 61,702.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,003.25 : 154,564.43 = 61,702.25 : x
2. Step 2: Convert to fraction form
   112,003.25/154,564.43 = 61,702.25/x
3. Step 3: Cross multiply
   112,003.25x = 154,564.43 × 61,702.25
4. Step 4: Simplify right side
   112,003.25x = 9,536,972,019.63
5. Step 5: Solve for x
   x = 9,536,972,019.63/112,003.25
6. Step 6: Final answer
   x = 85,149.07