Finding the Fourth Proportional to 111,158.06, 153,383.71 and 63,408.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,158.06 : 153,383.71 = 63,408.56 : x
2. Step 2: Convert to fraction form
   111,158.06/153,383.71 = 63,408.56/x
3. Step 3: Cross multiply
   111,158.06x = 153,383.71 × 63,408.56
4. Step 4: Simplify right side
   111,158.06x = 9,725,839,861.51
5. Step 5: Solve for x
   x = 9,725,839,861.51/111,158.06
6. Step 6: Final answer
   x = 87,495.59