Finding the Fourth Proportional to 111,111.22, 153,335.24 and 62,715.64

Step by Step Solution

1. Step 1: Write the proportion equation
   111,111.22 : 153,335.24 = 62,715.64 : x
2. Step 2: Convert to fraction form
   111,111.22/153,335.24 = 62,715.64/x
3. Step 3: Cross multiply
   111,111.22x = 153,335.24 × 62,715.64
4. Step 4: Simplify right side
   111,111.22x = 9,616,518,056.37
5. Step 5: Solve for x
   x = 9,616,518,056.37/111,111.22
6. Step 6: Final answer
   x = 86,548.58