Finding the Fourth Proportional to 112,948.08, 155,866.89 and 64,549.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,948.08 : 155,866.89 = 64,549.46 : x
2. Step 2: Convert to fraction form
   112,948.08/155,866.89 = 64,549.46/x
3. Step 3: Cross multiply
   112,948.08x = 155,866.89 × 64,549.46
4. Step 4: Simplify right side
   112,948.08x = 10,061,123,581.38
5. Step 5: Solve for x
   x = 10,061,123,581.38/112,948.08
6. Step 6: Final answer
   x = 89,077.42