Finding the Fourth Proportional to 35,665.01, 53,263.31 and 28,655.67

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665.01 : 53,263.31 = 28,655.67 : x
2. Step 2: Convert to fraction form
   35,665.01/53,263.31 = 28,655.67/x
3. Step 3: Cross multiply
   35,665.01x = 53,263.31 × 28,655.67
4. Step 4: Simplify right side
   35,665.01x = 1,526,295,834.47
5. Step 5: Solve for x
   x = 1,526,295,834.47/35,665.01
6. Step 6: Final answer
   x = 42,795.33