Finding the Fourth Proportional to 112,287.30, 168,341.52 and 64,848.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,287.30 : 168,341.52 = 64,848.42 : x
2. Step 2: Convert to fraction form
   112,287.30/168,341.52 = 64,848.42/x
3. Step 3: Cross multiply
   112,287.30x = 168,341.52 × 64,848.42
4. Step 4: Simplify right side
   112,287.30x = 10,916,681,592.40
5. Step 5: Solve for x
   x = 10,916,681,592.40/112,287.30
6. Step 6: Final answer
   x = 97,220.98