Finding the Fourth Proportional to 111,654.10, 154,080.91 and 61,352.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,654.10 : 154,080.91 = 61,352.02 : x
2. Step 2: Convert to fraction form
   111,654.10/154,080.91 = 61,352.02/x
3. Step 3: Cross multiply
   111,654.10x = 154,080.91 × 61,352.02
4. Step 4: Simplify right side
   111,654.10x = 9,453,175,071.94
5. Step 5: Solve for x
   x = 9,453,175,071.94/111,654.10
6. Step 6: Final answer
   x = 84,664.83