Finding the Fourth Proportional to 64,705.32, 89,185.86 and 44,528.04

Step by Step Solution

1. Step 1: Write the proportion equation
   64,705.32 : 89,185.86 = 44,528.04 : x
2. Step 2: Convert to fraction form
   64,705.32/89,185.86 = 44,528.04/x
3. Step 3: Cross multiply
   64,705.32x = 89,185.86 × 44,528.04
4. Step 4: Simplify right side
   64,705.32x = 3,971,271,541.51
5. Step 5: Solve for x
   x = 3,971,271,541.51/64,705.32
6. Step 6: Final answer
   x = 61,374.73