Finding the Fourth Proportional to 118,269.56, 163,210.86 and 64,554.92

Step by Step Solution

1. Step 1: Write the proportion equation
   118,269.56 : 163,210.86 = 64,554.92 : x
2. Step 2: Convert to fraction form
   118,269.56/163,210.86 = 64,554.92/x
3. Step 3: Cross multiply
   118,269.56x = 163,210.86 × 64,554.92
4. Step 4: Simplify right side
   118,269.56x = 10,536,064,010.43
5. Step 5: Solve for x
   x = 10,536,064,010.43/118,269.56
6. Step 6: Final answer
   x = 89,085.17