Finding the Fourth Proportional to 42,875.18, 64,312.79 and 17,901.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,875.18 : 64,312.79 = 17,901.62 : x
2. Step 2: Convert to fraction form
   42,875.18/64,312.79 = 17,901.62/x
3. Step 3: Cross multiply
   42,875.18x = 64,312.79 × 17,901.62
4. Step 4: Simplify right side
   42,875.18x = 1,151,303,127.72
5. Step 5: Solve for x
   x = 1,151,303,127.72/42,875.18
6. Step 6: Final answer
   x = 26,852.44