Finding the Fourth Proportional to 118,019.51, 162,864.86 and 64,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,019.51 : 162,864.86 = 64,304.96 : x
2. Step 2: Convert to fraction form
   118,019.51/162,864.86 = 64,304.96/x
3. Step 3: Cross multiply
   118,019.51x = 162,864.86 × 64,304.96
4. Step 4: Simplify right side
   118,019.51x = 10,473,018,875.63
5. Step 5: Solve for x
   x = 10,473,018,875.63/118,019.51
6. Step 6: Final answer
   x = 88,739.73