Finding the Fourth Proportional to 112,892.02, 155,795.76 and 64,501.92

Step by Step Solution

1. Step 1: Write the proportion equation
   112,892.02 : 155,795.76 = 64,501.92 : x
2. Step 2: Convert to fraction form
   112,892.02/155,795.76 = 64,501.92/x
3. Step 3: Cross multiply
   112,892.02x = 155,795.76 × 64,501.92
4. Step 4: Simplify right side
   112,892.02x = 10,049,125,647.86
5. Step 5: Solve for x
   x = 10,049,125,647.86/112,892.02
6. Step 6: Final answer
   x = 89,015.38