Finding the Fourth Proportional to 112,377.96, 155,114.82 and 64,664.90

Step by Step Solution

1. Step 1: Write the proportion equation
   112,377.96 : 155,114.82 = 64,664.90 : x
2. Step 2: Convert to fraction form
   112,377.96/155,114.82 = 64,664.90/x
3. Step 3: Cross multiply
   112,377.96x = 155,114.82 × 64,664.90
4. Step 4: Simplify right side
   112,377.96x = 10,030,484,323.82
5. Step 5: Solve for x
   x = 10,030,484,323.82/112,377.96
6. Step 6: Final answer
   x = 89,256.69