Finding the Fourth Proportional to 112,503.13, 155,273.15 and 64,746.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,503.13 : 155,273.15 = 64,746.34 : x
2. Step 2: Convert to fraction form
   112,503.13/155,273.15 = 64,746.34/x
3. Step 3: Cross multiply
   112,503.13x = 155,273.15 × 64,746.34
4. Step 4: Simplify right side
   112,503.13x = 10,053,367,936.45
5. Step 5: Solve for x
   x = 10,053,367,936.45/112,503.13
6. Step 6: Final answer
   x = 89,360.79