Finding the Fourth Proportional to 111,214.08, 153,475.56 and 60,912

Step by Step Solution

1. Step 1: Write the proportion equation
   111,214.08 : 153,475.56 = 60,912 : x
2. Step 2: Convert to fraction form
   111,214.08/153,475.56 = 60,912/x
3. Step 3: Cross multiply
   111,214.08x = 153,475.56 × 60,912
4. Step 4: Simplify right side
   111,214.08x = 9,348,503,310.72
5. Step 5: Solve for x
   x = 9,348,503,310.72/111,214.08
6. Step 6: Final answer
   x = 84,058.63