Finding the Fourth Proportional to 35,665.50, 53,264.06 and 28,656.17

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665.50 : 53,264.06 = 28,656.17 : x
2. Step 2: Convert to fraction form
   35,665.50/53,264.06 = 28,656.17/x
3. Step 3: Cross multiply
   35,665.50x = 53,264.06 × 28,656.17
4. Step 4: Simplify right side
   35,665.50x = 1,526,343,958.25
5. Step 5: Solve for x
   x = 1,526,343,958.25/35,665.50
6. Step 6: Final answer
   x = 42,796.09