Finding the Fourth Proportional to 112,994.06, 155,931.79 and 64,597.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,994.06 : 155,931.79 = 64,597.04 : x
2. Step 2: Convert to fraction form
   112,994.06/155,931.79 = 64,597.04/x
3. Step 3: Cross multiply
   112,994.06x = 155,931.79 × 64,597.04
4. Step 4: Simplify right side
   112,994.06x = 10,072,730,973.26
5. Step 5: Solve for x
   x = 10,072,730,973.26/112,994.06
6. Step 6: Final answer
   x = 89,143.90