Finding the Fourth Proportional to 112,658.42, 155,476.10 and 64,914.83

Step by Step Solution

1. Step 1: Write the proportion equation
   112,658.42 : 155,476.10 = 64,914.83 : x
2. Step 2: Convert to fraction form
   112,658.42/155,476.10 = 64,914.83/x
3. Step 3: Cross multiply
   112,658.42x = 155,476.10 × 64,914.83
4. Step 4: Simplify right side
   112,658.42x = 10,092,703,498.61
5. Step 5: Solve for x
   x = 10,092,703,498.61/112,658.42
6. Step 6: Final answer
   x = 89,586.77