Finding the Fourth Proportional to 111,654.60, 154,081.60 and 61,352.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,654.60 : 154,081.60 = 61,352.52 : x
2. Step 2: Convert to fraction form
   111,654.60/154,081.60 = 61,352.52/x
3. Step 3: Cross multiply
   111,654.60x = 154,081.60 × 61,352.52
4. Step 4: Simplify right side
   111,654.60x = 9,453,294,445.63
5. Step 5: Solve for x
   x = 9,453,294,445.63/111,654.60
6. Step 6: Final answer
   x = 84,665.52