Finding the Fourth Proportional to 112,524.94, 155,300.72 and 64,777.87

Step by Step Solution

1. Step 1: Write the proportion equation
   112,524.94 : 155,300.72 = 64,777.87 : x
2. Step 2: Convert to fraction form
   112,524.94/155,300.72 = 64,777.87/x
3. Step 3: Cross multiply
   112,524.94x = 155,300.72 × 64,777.87
4. Step 4: Simplify right side
   112,524.94x = 10,060,049,851.07
5. Step 5: Solve for x
   x = 10,060,049,851.07/112,524.94
6. Step 6: Final answer
   x = 89,402.85