Finding the Fourth Proportional to 112,122.72, 154,733.04 and 64,384.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,122.72 : 154,733.04 = 64,384.56 : x
2. Step 2: Convert to fraction form
   112,122.72/154,733.04 = 64,384.56/x
3. Step 3: Cross multiply
   112,122.72x = 154,733.04 × 64,384.56
4. Step 4: Simplify right side
   112,122.72x = 9,962,418,697.86
5. Step 5: Solve for x
   x = 9,962,418,697.86/112,122.72
6. Step 6: Final answer
   x = 88,852.81