Finding the Fourth Proportional to 111,507.84, 153,881.98 and 60,521.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,507.84 : 153,881.98 = 60,521.04 : x
2. Step 2: Convert to fraction form
   111,507.84/153,881.98 = 60,521.04/x
3. Step 3: Cross multiply
   111,507.84x = 153,881.98 × 60,521.04
4. Step 4: Simplify right side
   111,507.84x = 9,313,097,315.56
5. Step 5: Solve for x
   x = 9,313,097,315.56/111,507.84
6. Step 6: Final answer
   x = 83,519.66