Finding the Fourth Proportional to 64,875.33, 97,300.04 and 18,128.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,875.33 : 97,300.04 = 18,128.61 : x
2. Step 2: Convert to fraction form
   64,875.33/97,300.04 = 18,128.61/x
3. Step 3: Cross multiply
   64,875.33x = 97,300.04 × 18,128.61
4. Step 4: Simplify right side
   64,875.33x = 1,763,914,387.50
5. Step 5: Solve for x
   x = 1,763,914,387.50/64,875.33
6. Step 6: Final answer
   x = 27,189.29