Finding the Fourth Proportional to 42,875.25, 64,312.91 and 17,901.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,875.25 : 64,312.91 = 17,901.69 : x
2. Step 2: Convert to fraction form
   42,875.25/64,312.91 = 17,901.69/x
3. Step 3: Cross multiply
   42,875.25x = 64,312.91 × 17,901.69
4. Step 4: Simplify right side
   42,875.25x = 1,151,309,777.82
5. Step 5: Solve for x
   x = 1,151,309,777.82/42,875.25
6. Step 6: Final answer
   x = 26,852.55