Finding the Fourth Proportional to 112,886.98, 155,789.09 and 64,493.14

Step by Step Solution

1. Step 1: Write the proportion equation
   112,886.98 : 155,789.09 = 64,493.14 : x
2. Step 2: Convert to fraction form
   112,886.98/155,789.09 = 64,493.14/x
3. Step 3: Cross multiply
   112,886.98x = 155,789.09 × 64,493.14
4. Step 4: Simplify right side
   112,886.98x = 10,047,327,591.84
5. Step 5: Solve for x
   x = 10,047,327,591.84/112,886.98
6. Step 6: Final answer
   x = 89,003.42