Finding the Fourth Proportional to 35,705.67, 53,483.15 and 28,647.47

Step by Step Solution

1. Step 1: Write the proportion equation
   35,705.67 : 53,483.15 = 28,647.47 : x
2. Step 2: Convert to fraction form
   35,705.67/53,483.15 = 28,647.47/x
3. Step 3: Cross multiply
   35,705.67x = 53,483.15 × 28,647.47
4. Step 4: Simplify right side
   35,705.67x = 1,532,156,667.71
5. Step 5: Solve for x
   x = 1,532,156,667.71/35,705.67
6. Step 6: Final answer
   x = 42,910.74