Finding the Fourth Proportional to 111,085, 153,297.30 and 60,784

Step by Step Solution

1. Step 1: Write the proportion equation
   111,085 : 153,297.30 = 60,784 : x
2. Step 2: Convert to fraction form
   111,085/153,297.30 = 60,784/x
3. Step 3: Cross multiply
   111,085x = 153,297.30 × 60,784
4. Step 4: Simplify right side
   111,085x = 9,318,023,083.20
5. Step 5: Solve for x
   x = 9,318,023,083.20/111,085
6. Step 6: Final answer
   x = 83,881.92